oewn-Pennsylvanian-n oewn-Pennsylvanian_period-n oewn-Upper_Carboniferous-n oewn-Upper_Carboniferous_period-n

the period from 310 million to 280 million years ago; characterized by warm climate and swampy land


oewn-Mississippian-n oewn-Missippian_period-n oewn-Lower_Carboniferous-n oewn-Lower_Carboniferous_period-n

the period from 345 million to 310 million years ago; characterized by an increase of land areas, primitive ammonites and winged insects


the period from 405 million to 345 million years ago; characterized by preponderance of fishes and appearance of amphibians and ammonites


the period from 425 million to 405 million years ago; characterized by the first air-breathing animals


the period from 500 million to 425 million years ago; characterized by conodonts and ostracods and algae and seaweeds


the period from 544 million to about 500 million years ago; characterized by marine invertebrates


oewn-Precambrian-n oewn-Precambrian_eon-n oewn-Precambrian_aeon-n oewn-Precambrian_period-n

the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago


from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms


oewn-Archean-n oewn-Archean_eon-n oewn-Archean_aeon-n oewn-Archeozoic-n oewn-Archaeozoic-n oewn-Archeozoic_eon-n oewn-Archaeozoic_aeon-n

the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life


oewn-Hadean-n oewn-Hadean_time-n oewn-Hadean_eon-n oewn-Hadean_aeon-n oewn-Priscoan-n oewn-Priscoan_eon-n oewn-Priscoan_aeon-n

the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life


a reading of a point in time as given by a clock


oewn-Greenwich_Mean_Time-n oewn-Greenwich_Time-n oewn-GMT-n oewn-universal_time-n oewn-UT-n oewn-UT1-n

the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere


Greenwich Mean Time updated with leap seconds


the coordinated universal time when an event is received on Earth


the elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object


the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point


the time that elapses while some event is occurring


the coordinated universal time when a transmission is sent from Earth to a spacecraft or other celestial body


the coordinated universal time on board the spacecraft


the clock time given by a clock carried on board a spacecraft


standard time in the 4th time zone west of Greenwich, reckoned at the 60th meridian; used in Puerto Rico and the Virgin Islands and Bermuda and the Canadian Maritime Provinces


standard time in the 5th time zone west of Greenwich, reckoned at the 75th meridian; used in the eastern United States


standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States


standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States


standard time in the 8th time zone west of Greenwich, reckoned at the 120th meridian west; used in far western states of the United States


standard time in the 9th time zone west of Greenwich, reckoned at the 135th meridian west; used in Hawaii and most of Alaska


standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands


standard time in the 11th time zone west of Greenwich, reckoned at the 165th meridian west; used in the Midway Islands


the property of enduring or continuing in time


the period of time during which something continues


the time taken to traverse a measured course


a period of dullness or boredom (especially in a work of literature or performing art)


the period of time spent in a particular place


the job was finished in the span of an hour


an unbroken period of time during which you do something


an arrangement of events used as a measure of duration

on the geological time scale mankind has existed but for a brief moment


(music) the relative duration of a musical note


(simulation) the time scale used in data processing when the time-scale factor is greater than one


(simulation) the time scale used in data processing when the time-scale factor is less than one


an innate mechanism in living organisms that controls the periodicity of many physiological functions


a daily cycle of activity observed in many living organisms


the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event


hours or days of work in a calendar week


a period of seven consecutive days (usually reckoned to be from Sunday to Saturday, or from Monday to Sunday)


the recurring hours when you are not sleeping (especially those when you are working)


the amount of time that a worker must work for an agreed daily wage


work done in addition to regular working hours


time need to prepare a vessel or ship for a return trip


time available for hobbies and other activities that you enjoy


leisure time away from work devoted to rest or pleasure

we get two weeks of vacation every summer


a short vacation about halfway through a school term


a day on which half is free from work or duty


a day devoted to an outdoor social gathering


a holiday taken by a newly married couple


a vacation from work by an employee with pay granted


the period of time during which you are absent from work or duty


a temporary leave of absence from military duty


(military) leave granted in an emergency such as family sickness or death


a leave usually taken every seventh year


leave granted to a sailor or naval officer


a leave of absence from work because of illness


final leave before discharge from military service


oewn-life-n oewn-lifetime-n oewn-life-time-n oewn-lifespan-n

the period during which something is functional (as between birth and death)


the period between birth and the present time


the time during which someone's life continues


the period of time during which a place or position or nation is occupied


a earlier period in someone's life (especially one that they have reason to keep secret)


the length of time a packaged food or drug will last without deteriorating


an expected time to live as calculated on the basis of statistical probabilities


the time when something begins (especially life)

they divorced after the birth of the child


he was taught from the cradle never to cry


time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved

a perinatologist cared for her during the puerperium


the period following birth during which milk is secreted

lactation normally continues until weaning


he placed the incipience of democratic faith at around 1850


the time at which life ends; continuing until dead


he went to his grave without forgiving me


a period of time during which a person is normally in a particular life state


the period of finest development, happiness, or beauty


a time of life (usually defined in years) at which some particular qualification or power arises


the early stage of growth or development


(psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned


(psychoanalysis) the fifth sexual and social stage in a person's development occurring during adolescence; interest focuses on sexual activity


(psychoanalysis) the fourth period (from about age 5 or 6 until puberty) during which sexual interests are supposed to be sublimated into other activities


(psychoanalysis) the first sexual and social stage of an infant's development; the mouth is the focus of the libido and satisfaction comes from suckling and chewing and biting


(psychoanalysis) the third stage in a child's development when awareness of and manipulation of the genitals is supposed to be a primary source of pleasure


the time of person's life when they are a child


the time of life when you are going to school


the time of life between childhood and maturity


the time period between the beginning of puberty and adulthood


a period of two years immediately prior to the onset of puberty when growth and changes leading to sexual maturity occur


the time of life when sex glands become functional


the time of life between the ages of 12 and 20


the time of life after retirement from active work


the minimum age for marrying without parental consent or the minimum age for consensual sexual relations; intercourse at an earlier age can result in a charge of assault or statutory rape; the age differs in different states of the Union


the age at which persons are considered competent to manage their own affairs


the time of maturity when power and vigor are greatest


the age at which is legal for a person to buy alcoholic beverages


the age at which a person is old enough to vote in public elections


the period of time in your life after your physical growth has stopped and you are fully developed


the date on which an obligation must be repaid


the time of a man's life prior to marriage


the time of life between youth and old age (e.g., between 40 and 60 years of age)


the time of a woman's life when she is a widow


oewn-old_age-n oewn-years-n oewn-age-n oewn-eld-n oewn-geezerhood-n


mental infirmity as a consequence of old age; sometimes shown by foolish infatuations


the time in a woman's life in which the menstrual cycle ends


a period in a man's life corresponding to menopause


oewn-day-n oewn-twenty-four_hours-n oewn-twenty-four_hour_period-n oewn-24-hour_interval-n oewn-solar_day-n oewn-mean_solar_day-n

time for Earth to make a complete rotation on its axis


the dark part of the diurnal cycle considered a time unit


the day that includes the present moment (as opposed to yesterday or tomorrow)


whenever he arrives she leaves on the morrow


he always arrives on the eve of her departure


(astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)


oewn-terrestrial_time-n oewn-TT-n oewn-terrestrial_dynamical_time-n oewn-TDT-n oewn-ephemeris_time-n

(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions


a day reckoned from midnight to midnight


a day assigned to a particular purpose or observance


in some states of the United States: a legal holiday commemorating the day the state was admitted to the Union


the fifth of May which is observed in Mexico and Mexican-American communities in the United States to commemorate the Mexican victory over the French in the Battle of Puebla in 1862


the day on which university degrees are conferred


anniversary of the discovery of the Gunpowder Plot


day for the celebration of the discovery of the Gunpowder Plot


effigies of Guy Fawkes are burned on this night


the day designated for inauguration of the United States President


the name of the day that is added during a leap year


a particular day specified as the time something happens


a particular day in the future that is specified as the time something will happen


an alternative date set for some outdoor event in case it rains on the appointed date

the rain date for the picnic will be the following Sunday


a date stamped on perishable produce indicating the date by which it should be sold


the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred

he tried to memorizes all the dates for his history class


a Christian holy day; one of four specified days when certain payments are due


one of two major fast days on the Jewish calendar


one of five minor fast days on the Jewish calendar


oewn-Succoth-n oewn-Sukkoth-n oewn-Succos-n oewn-Feast_of_Booths-n oewn-Feast_of_Tabernacles-n oewn-Tabernacles-n

a major Jewish festival beginning on the eve of the 15th of Tishri and commemorating the shelter of the Israelites during their 40 years in the wilderness


a festival having religious significance


a day or period of time set aside for feasting and celebration


date of the Allied landing in France, World War II


the date of Allied victory in Europe, World War II


the date of Allied victory over Japan, World War II


any day except Sunday (and sometimes except Saturday)


a weekday on which no festival or holiday is celebrated

in the middle ages feria was used with a prefixed ordinal number to designate the day of the week, so `secunda feria' meant Monday, but Sunday and Saturday were always called by their names, Dominicus and Sabbatum, and so feria came to mean an ordinary weekday


oewn-Sunday-n oewn-Lord-ap-s_Day-n oewn-Dominicus-n oewn-Sun-n

first day of the week; observed as a day of rest and worship by most Christians


the second day of the week; the first working day


the third day of the week; the second working day


the fourth day of the week; the third working day


the fifth day of the week; the fourth working day


the sixth day of the week; the fifth working day


the seventh and last day of the week; observed as the Sabbath by Jews and some Christians


a day of rest and worship: Sunday for most Christians; Saturday for the Jews and a few Christians; Friday for Muslims


the time after sunrise and before sunset while it is light outside


oewn-morning-n oewn-morn-n oewn-morning_time-n oewn-forenoon-n


oewn-noon-n oewn-twelve_noon-n oewn-high_noon-n oewn-midday-n oewn-noonday-n oewn-noontide-n


the hour at which a meal is habitually or customarily eaten


the customary or habitual hour for eating breakfast


the customary or habitual hour for eating lunch


the customary or habitual hour for the evening meal


the part of the day between noon and evening


oewn-evening-n oewn-eve-n oewn-even-n oewn-eventide-n

the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)

he enjoyed the evening light across the lake


an evening when members of a club or college can bring their friends as guests


the hours between 7 and 11 p.m. when the largest tv audience is available


the time after sunset and before sunrise while it is dark outside


a period of ignorance or backwardness or gloom


any night of the week except Saturday or Sunday


the early part of night (from dinner until bedtime) spent in a special way


12 o'clock at night; the middle of the night

young children should not be allowed to stay up until midnight


the regular time of day when an establishment closes to the public


oewn-dawn-n oewn-dawning-n oewn-morning-n oewn-aurora-n oewn-first_light-n oewn-daybreak-n oewn-break_of_day-n oewn-break_of_the_day-n oewn-dayspring-n oewn-sunrise-n oewn-sunup-n oewn-cockcrow-n


the time in the evening at which the sun begins to fall below the horizon


oewn-twilight-n oewn-dusk-n oewn-gloaming-n oewn-gloam-n oewn-nightfall-n oewn-evenfall-n oewn-fall-n oewn-crepuscule-n oewn-crepuscle-n

the time of day immediately following sunset


most major tennis tournaments last a fortnight


a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday


a week at British universities during which side-shows and processions of floats are organized to raise money for charities


a day on which university students hold a rag


a memorably happy or noteworthy day (from the custom of marking holy days in red on church calendars)


oewn-Judgment_Day-n oewn-Judgement_Day-n oewn-Day_of_Judgment-n oewn-Day_of_Judgement-n oewn-Doomsday-n oewn-Last_Judgment-n oewn-Last_Judgement-n oewn-Last_Day-n oewn-eschaton-n oewn-day_of_reckoning-n oewn-doomsday-n oewn-crack_of_doom-n oewn-end_of_the_world-n

(New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives


(computer science) the interval between the time data is requested by the system and the time the data is provided by the drive

access time is the sum of seek time and rotational latency and command processing overhead


if that happens it will be at some distance in the future


the day on which you receive pay for your work


the day appointed for an election; in the United States it is the 1st Tuesday after the 1st Monday in November


the year in the ecclesiastical calendar; especially feast days and special seasons


(military) a day for military exercises and display


a system of timekeeping that defines the beginning and length and divisions of the year


the act or process of determining the time


the lunar calendar in use in ancient Rome; replaced by the Julian calendar in 46 BC


in the Roman calendar: the 15th of March or May or July or October or the 13th of any other month


the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752


the solar calendar introduced in Rome in 46 b.c. by Julius Caesar and slightly modified by Augustus, establishing the 12-month year of 365 days with each 4th year having 366 days and the months having 31 or 30 days except for February


the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792


first month of the Revolutionary calendar (September and October); the month of the grape harvest


second month of the Revolutionary calendar (October and November); the month of mist


third month of the Revolutionary calendar (November and December); the frosty month


fourth month of the Revolutionary calendar (December and January); the snowy month


fifth month of the Revolutionary calendar (January and February); the rainy month


sixth month of the Revolutionary calendar (February and March); the windy month


seventh month of the Revolutionary calendar (March and April); the month of buds


eighth month of the Revolutionary calendar (April and May); the month of flowers


ninth month of the Revolutionary calendar (May and June); the month of meadows


tenth month of the Revolutionary calendar (June and July); the month of harvest


eleventh month of the Revolutionary calendar (July and August); the month of heat


twelfth month of the Revolutionary calendar (August and September); the month of fruit


(Judaism) the calendar used by the Jews; dates from 3761 BC (the assumed date of the Creation of the world); a lunar year of 354 days is adjusted to the solar year by periodic leap years


a calendar based on both lunar and solar cycles


oewn-Islamic_calendar-n oewn-Muhammadan_calendar-n oewn-Mohammedan_calendar-n oewn-Moslem_calendar-n oewn-Muslim_calendar-n

the lunar calendar used by Muslims; dates from 622 AD (the year of the Hegira); the beginning of the Muslim year retrogresses through the solar year completing the cycle every 32 years


the lunisolar calendar governing the religious life of Hindus; an extra month is inserted after every month in which there are two new moons (once every three years)


the point in time at which something must be completed


the time that the curfew signal is sounded


something located at a time when it could not have existed or occurred


the time at which a public conveyance is scheduled to arrive at a given destination


the time at which a public conveyance is scheduled to depart from a given point of origin


the latest time for vacating a hotel room


(Roman Catholic Church) a period of remission from sin (usually granted every 25 years)


a calendar of the Christian year indicating the dates of fasts and festivals


observed on the Monday closest to January 15


oewn-Robert_E_Lee-ap-s_Birthday-n oewn-Robert_E_Lee_Day-n oewn-Lee-ap-s_Birthday-n oewn-January_19-n

a holiday marking the birth date of Confederate General Robert E. Lee, observed each year on January 19, celebrated in southern United States


oewn-Rosh_Hashanah-n oewn-Rosh_Hashana-n oewn-Rosh_Hashonah-n oewn-Rosh_Hashona-n oewn-Jewish_New_Year-n

(Judaism) a solemn Jewish feast day celebrated on the 1st or 1st and 2nd of Tishri; noted for the blowing of the shofar


(Judaism) the beginning of each month in the Jewish calendar; marked by a special liturgy


the New Year in Vietnam; observed for three days after the first full moon after January 20th


a day on which work is suspended by law or custom

no mail is delivered on federal holidays


a day specified for religious observance


Jewish holy days observed with particular solemnity


a day when Catholics must attend Mass and refrain from servile work, and Episcopalians must take Communion


a religious holiday that falls on different dates in different years


(Judaism) a solemn and major fast day on the Jewish calendar; 10th of Tishri; its observance is one of the requirements of the Mosaic law


a Christian holy day on which women who perform certain rites are said to dream of their husband-to-be


the feast of Saint Martin; a quarter day in Scotland


a period of unusually warm weather in the autumn


oewn-Annunciation-n oewn-Lady_Day-n oewn-Annunciation_Day-n oewn-March_25-n

a festival commemorating the announcement of the Incarnation by the angel Gabriel to the Virgin Mary; a quarter day in England, Wales, and Ireland


honoring the archangel Michael; a quarter day in England, Wales, and Ireland


feast day commemorating the presentation of Christ in the temple; a quarter day in Scotland


if the ground hog emerges and sees his shadow on this day, there will be 6 more weeks of winter


the day on which President Abraham Lincoln is remembered


oewn-Valentine_Day-n oewn-Valentine-ap-s_Day-n oewn-Saint_Valentine-ap-s_Day-n oewn-St_Valentine-ap-s_Day-n oewn-February_14-n

a day for the exchange of tokens of affection


the day on which George Washington is remembered


the third Monday in February; commemorates both presidents Lincoln and Washington


Texans celebrate the anniversary of Texas' declaration of independence from Mexico in 1836


a day observed by the Irish to commemorate the patron saint of Ireland


a Christian celebration of the Resurrection of Christ; celebrated on the Sunday following the first full moon after the vernal equinox


the day (in March or April) on which the festival of Easter is celebrated


the first day of April which is celebrated by playing practical jokes


a day celebrating political and economic unity among American countries


the 3rd Monday in April; Massachusetts and Maine celebrate the battle of Lexington and Concord in 1775


observed in many countries to celebrate the coming of summer; observed in Russia and related countries in honor of labor


legal holiday in the United States, last Monday in May; commemorates the members of the United States armed forces who were killed in war


a holiday marking the birth date of Jefferson Davis, celebrated on Jun 3 in southern United States


commemorating the adoption of the United States flag in 1777


commemorates Saint Peter's miraculous deliverance from prison; a quarter day in Scotland; a harvest festival in England


first Monday in September in the United States and Canada


a legal holiday commemorating the discovery of America by Christopher Columbus


a day for celebrating the founding of the United Nations


the evening before All Saints' Day; often devoted to pranks played by young people


the Saturday before Easter; the last day of Lent


December 28, commemorating Herod's slaughter of the children of Bethlehem


the 3rd Sunday before Lent (or the 9th before Easter)


the Sunday before Ash Wednesday (the beginning of Lent)


one of the three days before Ascension Day; observed by some Christians as days of supplication


(Roman Catholic Church) a holy day of obligation


(Christianity) celebration of the Ascension of Christ into heaven; observed on the 40th day after Easter


(Roman Catholic Church and Anglican Church) feast day celebrating the circumcision of Jesus; celebrated on January 1st


the Thursday before Easter; commemorates the Last Supper


Thursday after Trinity Sunday; first celebrated in 1246


celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox Church


celebration in the Eastern Orthodox Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Assumption in the Roman Catholic Church and is also celebrated on August 15th


oewn-Epiphany-n oewn-Epiphany_of_Our_Lord-n oewn-Twelfth_day-n oewn-Three_Kings-ap-_Day-n oewn-January_6-n

twelve days after Christmas; celebrates the visit of the three wise men to the infant Jesus


a Christian holy day, it is the feast day of St. Joseph, the husband of the Blessed Virgin Mary


eve of Twelfth day; evening of January 5


oewn-All_Saints-ap-_Day-n oewn-Allhallows-n oewn-November_1-n oewn-Hallowmas-n oewn-Hallowmass-n

a Christian feast day honoring all the saints; first observed in 835


Roman Catholic holy day first celebrated in 1854


a day of supplication for all the souls in purgatory


the 7th Wednesday before Easter; the first day of Lent; the day following Mardi Gras (`Fat Tuesday'); a day of fasting and repentance


oewn-Passover-n oewn-Pesach-n oewn-Pesah-n oewn-Feast_of_the_Unleavened_Bread-n

(Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from Egypt


oewn-Christmas-n oewn-Christmas_Day-n oewn-Xmas-n oewn-Dec_25-n

a Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland


oewn-Christmas-n oewn-Christmastide-n oewn-Christmastime-n oewn-Yule-n oewn-Yuletide-n oewn-Noel-n


(Judaism) a Jewish holy day commemorating their deliverance from massacre by Haman


oewn-Shavous-n oewn-Shabuoth-n oewn-Shavuoth-n oewn-Shavuot-n oewn-Pentecost-n oewn-Feast_of_Weeks-n

(Judaism) Jewish holy day celebrated on the sixth of Sivan to celebrate Moses receiving the Ten Commandments


oewn-Shimchath_Torah-n oewn-Simchat_Torah-n oewn-Simhath_Torah-n oewn-Simhat_Torah-n oewn-Simchas_Torah-n oewn-Rejoicing_over_the_Law-n oewn-Rejoicing_of_the_Law-n oewn-Rejoicing_in_the_Law-n

(Judaism) a Jewish holy day celebrated on the 22nd or 23rd of Tishri to celebrate the completion of the annual cycle of readings of the Torah


oewn-Tishah_b-ap-Av-n oewn-Tishah_b-ap-Ab-n oewn-Tisha_b-ap-Av-n oewn-Tisha_b-ap-Ab-n oewn-Ninth_of_Av-n oewn-Ninth_of_Ab-n oewn-Fast_of_Av-n oewn-Fast_of_Ab-n

(Judaism) a major fast day on the Jewish calendar commemorating the destruction of the temples in Jerusalem


(Judaism) a minor fast day on Tishri 3 that commemorates the killing of the Jewish governor of Judah


(Judaism) a minor fast day on Tevet 10 commemorates the beginning of the siege of Jerusalem and has also been proclaimed a memorial day for the six million Jews who died in the Holocaust


(Judaism) a minor fast day on Adar 13 commemorates three days that Esther fasted before approaching the Persian king on behalf of the Jewish people; the fast is connected with Purim


(Judaism) a minor fast day on Nissan 14 that is observed only by firstborn males; it is observed on the day before Passover


(Judaism) a minor fast day on Tammuz 17 when the walls of Jerusalem were breached


oewn-Hanukkah-n oewn-Hanukah-n oewn-Hannukah-n oewn-Chanukah-n oewn-Chanukkah-n oewn-Channukah-n oewn-Channukkah-n oewn-Festival_of_Lights-n oewn-Feast_of_Lights-n oewn-Feast_of_Dedication-n oewn-Feast_of_the_Dedication-n

(Judaism) an eight-day Jewish holiday commemorating the rededication of the Temple of Jerusalem in 165 BC


(Judaism) Jewish holy day; the 33rd day after the 2nd day of Passover; the 18th day of Iyar


authorized by law and limiting work or official business


any of several weekdays when banks are closed; a legal holiday in Britain


British, anniversary of Queen Victoria's birth


a legal holiday in Canada commemorating receiving Dominion status in 1867


a legal holiday in France celebrating the storming of the Paris bastille in 1789


the Sunday nearest to November 11 when those who died in World War I and World War II are commemorated


oewn-Veterans_Day-n oewn-Veterans-ap-_Day-n oewn-Armistice_Day-n oewn-November_11-n

a legal holiday in the United States; formerly Armistice Day but called Veterans' Day since 1954


fourth Thursday in November in the United States; second Monday in October in Canada; commemorates a feast held in 1621 by the Pilgrims and the Wampanoag


a public holiday in Canada on the Monday on or before May 24th


the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun


time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec


he had to unload the merchandise before the year-end


oewn-leap_year-n oewn-intercalary_year-n oewn-366_days-n oewn-bissextile_year-n

a calendar year with an extra day added in February


a year in which no major political elections are held


a year in which productivity is low or inferior


the year (reckoned from January 1 to December 31) according to Gregorian calendar


oewn-solar_year-n oewn-tropical_year-n oewn-astronomical_year-n oewn-equinoctial_year-n

the time for the earth to make one revolution around the sun, measured between two vernal equinoxes


the period of instruction in a school; the time period when school is in session


the period of time each year when the school is open and people are studying


a period of time containing 365 (or 366) days


a period of time occupying a regular part of a calendar year that is used for some particular activity


one of the four-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC


the 15th century in Italian art and literature


unemployment fell during the last quarter


a time when the Moon presents a particular recurring appearance


the time at which the Moon appears as a narrow waxing crescent


the time at which the Moon is at first or last quarter when half its face is illuminated


the first fourth of the Moon's period of revolution around the Earth


the last fourth of the Moon's period of revolution around the Earth


oewn-full_moon-n oewn-full-of-the-moon-n oewn-full_phase_of_the_moon-n oewn-full-n

the time when the Moon is fully illuminated


the full moon nearest the September equinox


oewn-lunar_month-n oewn-moon-n oewn-lunation-n oewn-synodic_month-n

the period between successive new moons (29.531 days)


period between successive perigees; approximately 27.5546 days


the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day


the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis


the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days)


the time for the earth to make one complete revolution around the sun, relative to the fixed stars


period between successive conjunctions with a star, 27.322 days


one of the twelve divisions of the calendar year


the first month of the year; begins 10 days after the winter solstice


the month following January and preceding March


the month following February and preceding April


the month following March and preceding May


the month following April and preceding June


the month following May and preceding July


the month following June and preceding August


the month following July and preceding September


the month following August and preceding October


the month following September and preceding November


the month following October and preceding December


the first month of the civil year; the seventh month of the ecclesiastical year in the Jewish calendar (in September and October)


the second month of the civil year; the eighth month of the ecclesiastical year in the Jewish calendar (in October and November)


the third month of the civil year; the ninth month of the ecclesiastical year in the Jewish calendar (in November and December)


the fourth month of the civil year; the tenth month of the ecclesiastical year (in December and January)


the fifth month of the civil year: the eleventh month of the ecclesiastical year in the Jewish calendar (in January and February)


the sixth month of the civil year; the twelfth month of the ecclesiastic year in the Jewish calendar (in February and March)


the seventh month of the civil year; the first month of the ecclesiastic year (in March and April)


the eighth month of the civil year; the second month of the ecclesiastical year (in April and May)


the ninth month of the civil year; the third month of the ecclesiastical year in the Jewish calendar (in May and June)


the tenth month of the civil year; the fourth month of the ecclesiastic year (in June and July)


the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)


the twelfth month of the civil year; the sixth month of the ecclesiastical year in the Jewish calendar (in August and September)


the second month of the Islamic calendar


the fourth month of the Islamic calendar


the seventh month of the Islamic calendar


the eighth month of the Islamic calendar


the ninth month of the Islamic calendar; the month of fasting; the holiest period for the Islamic faith


a Muslim day of feasting at the end of Ramadan


the eleventh month of the Islamic calendar


oewn-Dhu-ap-l-Hijja-n oewn-Dhu-ap-l-Hijjah-n oewn-Dhu_al-Hijja-n oewn-Dhu_al-Hijjah-n

the twelfth month of the Islamic calendar and the season of the hajj; has one extra day in leap years


the 10th day of Dhu'l-Hijja; all Muslims attend a service in the mosques and those who are not pilgrims perform a ritual slaughter of a sheep (commemorating God's ransom of Abraham's son from sacrifice) and give at least a third of the meat to charity


any lunisolar month in the Hindu calendar


the first Hindu calendar month (corresponding to March in the Gregorian calendar)


Hindu lunar holiday (on the 9th day of Caitra) to celebrate the birth of Rama


the eleventh month of the Hindu calendar; corresponds to January in the Gregorian calendar


Hindu solar holiday at the beginning of the new astrological year when the sun enters the constellation Aries


the feast day of a saint whose name one bears


either of the two times of the year when the sun is at its greatest distance from the celestial equator


June 21, when the sun is at its northernmost point


oewn-Midsummer_Day-n oewn-Midsummer-ap-s_Day-n oewn-St_John-ap-s_Day-n oewn-June_24-n

a quarter day in England, Wales, and Ireland


oewn-Midsummer_Eve-n oewn-Midsummer_Night-n oewn-St_John-ap-s_Eve-n oewn-St_John-ap-s_Night-n oewn-June_23-n


go to bed early because tomorrow is a school day


an annual day in the schools when speeches are made and prizes are distributed


a day set aside for doing household laundry


the night after the wedding when bride and groom sleep together


December 22, when the sun is at its southernmost point


either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length


(Persian) the new year holiday in Iran and Azerbaijan and Afghanistan and Pakistan and parts of India and among the Kurds; comes at the vernal equinox


a time period within which something must be done or completed


(law) a time period after which suits cannot be brought


the period of time a prisoner is imprisoned


a term served in a maximum security prison


a prison term lasting as long as the prisoner lives


oewn-school_term-n oewn-academic_term-n oewn-academic_session-n oewn-session-n

the time during which a school holds classes


an academic session during the summer; usually for remedial or supplementary study


middle of an academic term or a political term in office


one of two divisions of an academic year


one of three divisions of an academic year


one of four periods into which the school year is divided


the period during which an embryo develops (about 266 days in humans)


the end of gestation or point at which birth is imminent


a period of three months; especially one of the three three-month periods into which human pregnancy is divided


time period extending from the first day of the last menstrual period through 12 weeks of gestation


time period extending from the 13th to the 27th week of gestation


time period extending from the 28th week of gestation until delivery


(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response


(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.


a period of time equal to 1/24th of a day


a canonical hour that is the ninth hour of the day counting from sunrise


the time of day when a bar sells alcoholic drinks at a reduced price


the times at the beginning and end of the working day when many people are traveling to or from work; the time of the day when the movement of people from one place to another is at its highest


the time set for the start of an action or operation


(Roman Catholic Church) one of seven specified times for prayer


the fourth of the seven canonical hours; about noon


the fifth of the seven canonical hours; about 3 p.m.


the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays


last of the seven canonical hours just before retiring


a time unit used in industry for measuring work


a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news


(classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period


(classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age


(classical mythology) the third age of the world, marked by war and violence


(archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons


(classical mythology) the last and worst age of the world


(archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons


(archeology) the earliest known period of human culture, characterized by the use of stone implements


the earliest part of the Stone Age marked by the earliest signs of human culture


second part of the Stone Age beginning about 750,000 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC


the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago


the time period of Neanderthal man; ended about 35,000 years BC


the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC


middle part of the Stone Age beginning about 15,000 years ago


latest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere)


time required for one complete cycle of the precession of the equinoxes, about 25,800 years


(sports) the normal prescribed duration of a game

the game was finished in regulation time


playing time beyond regulation, to break a tie


overtime play until one team is ahead at the end of an inning; e.g. baseball


a period of overtime play to resolve a tie; e.g. basketball


overtime play in order to break a tie; e.g. tennis and soccer


(sports) overtime in which play is stopped as soon as one contestant scores; e.g. football and golf


a unit of time equal to 60 seconds or 1/60th of an hour


a unit of time equal to 15 minutes or a quarter of an hour


1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites


a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation


one quintillionth (10^-18) of a second; one thousandth of a femtosecond


one quadrillionth (10^-15) of a second; one thousandth of a picosecond


one trillionth (10^-12) of a second; one thousandth of a nanosecond


one billionth (10^-9) of a second; one thousandth of a microsecond


one millionth (10^-6) of a second; one thousandth of a millisecond


one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions


the season when the leaves fall from the trees


the season of growth; spring; the beginning of spring

the emerging buds were a sure sign of spring


the warmest season of the year; in the Northern Hemisphere it extends from the summer solstice to the autumnal equinox


the hot period between early July and early September; a period of inactivity


the coldest season of the year; in the Northern Hemisphere it extends from the winter solstice to the vernal equinox


the season during which a crop grows best


the time during which seeds should be planted


the time or season when sheep are sheared


the season when travel is most active and rates are highest


the season when travel is least active and rates are lowest


one of the two seasons in tropical climates, a yearly period during which most of a country's rainfall occurs


rainy season in southern Asia when the southwestern monsoon blows, bringing heavy rains


one of the two seasons in tropical climates, a yearly period of rainfall in the tropics


a recurrent time marked by major holidays


a period of the year marked by special events or activities in some field

he celebrated his 10th season with the ballet company


a period prior to the beginning of the regular season which is devoted to training and preparation


a season of baseball during which a player wins the triple crown


the time before the regular games begin when football or baseball teams play practice games


the season during which it is legal to catch fish


the season during which it is legal to kill a particular species


the season including the four Sundays preceding Christmas


the first of the four Sundays during Advent


oewn-Mardi_Gras-n oewn-Shrove_Tuesday-n oewn-Fat_Tuesday-n oewn-pancake_day-n


a period of 40 weekdays from Ash Wednesday to Holy Saturday


seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland


the day after Whitsunday; a legal holiday in England and Wales and Ireland


Christian holiday; the week beginning on Whitsunday (especially the first 3 days)


a period of time sufficient for factors to work themselves out


the first and last; signifies God's eternity


something that happens once in blue moon almost never happens


he has been a conductor since the year dot


when England defeated Pakistan it ended a ten-year drought


oewn-moment-n oewn-minute-n oewn-second-n oewn-instant-n


money became available at the eleventh hour


the moment in a bullfight when the matador kills the bull


they were strangers sharing a pinpoint of time together


nearly past the time when something should be done


any of the occasions for eating food that occur by custom or habit at more or less fixed times


the most appropriate time for achieving a desired effect


oewn-while-n oewn-piece-n oewn-spell-n oewn-patch-n

a period of indeterminate length (usually short) marked by some action or condition


oewn-moment-n oewn-mo-n oewn-minute-n oewn-second-n oewn-bit-n


oewn-blink_of_an_eye-n oewn-flash-n oewn-heartbeat-n oewn-instant-n oewn-jiffy-n oewn-split_second-n oewn-trice-n oewn-twinkling-n oewn-wink-n oewn-New_York_minute-n

a very short time (as the time it takes the eye to blink or the heart to beat)

if I had the chance I'd do it in a flash


a unit of geological time during which a system of rocks formed

ganoid fishes swarmed during the earlier geological periods


a major division of geological time; an era is usually divided into two or more periods


a unit of geological time that is a subdivision of a period and is itself divided into ages


a period marked by distinctive character or reckoned from a fixed point or event


the era of Islam's ascendancy from the death of Mohammed until the 13th century; some Muslims still maintain that the Muslim world must always have a calif as head of the community

their goal was to reestablish the Caliphate


the time period beginning with the supposed year of Christ's birth


the normal time between successive generations

they had to wait a generation for that prejudice to fade


the date on which an event occurred in some previous year (or the celebration of it)


an anniversary of the day on which a person was born (or the celebration of it)


a special anniversary (or the celebration of it)


an anniversary celebrating the passage of 60 years


an anniversary celebrating the passage of 25 years


the anniversary of the day on which you were married (or the celebration of it)


the 50th anniversary (or the celebration of it)


the 100th anniversary (or the celebration of it)


the 150th anniversary (or the celebration of it)


the 200th anniversary (or the celebration of it)


the 300th anniversary (or the celebration of it)


the 400th anniversary (or the celebration of it)


the 500th anniversary (or the celebration of it)


the 1000th anniversary (or the celebration of it)


the 2000th anniversary (or the celebration of it)


oewn-auld_langsyne-n oewn-langsyne-n oewn-old_times-n oewn-good_old_days-n oewn-lang_syne-n


he'll get around to it in the sweet by-and-by


any distinct period in history or in a person's life

the industrial revolution opened a new chapter in British history


the historic period preceding the Middle Ages in Europe


any period (sometimes imaginary) of great peace and prosperity and happiness


an era of history having some distinctive feature


the time during the development of human culture before the appearance of the written word


a period beginning in the last quarter of the 20th century when information became easily accessible through publications and through the manipulation of information by computers and computer networks


any period of time during which glaciers covered a large part of the earth's surface

the most recent ice age was during the Pleistocene


the 1920s in the United States characterized in the novels of F. Scott Fitzgerald as a period of wealth, youthful exuberance, and carefree hedonism


(polo) one of six divisions into which a polo match is divided


(baseball) one of nine divisions of play during which each team has a turn at bat


the first half of an inning; while the visiting team is at bat

a relief pitcher took over in the top of the fifth


the second half of an inning; while the home team is at bat


they played two sets of tennis after dinner


(tennis) a division of play during which one player serves


(sports) a division of a game during which one team is on the offensive


(in games or plays or other performances) the time during which play proceeds


the first division into which the play of a game is divided


the second division into which the play of a game is divided


the final division into which the play of a game is divided


one of two divisions into which some games or performances are divided: the two divisions are separated by an interval


(ice hockey) one of three divisions into which play is divided in hockey games


(football, professional basketball) one of four divisions into which some games are divided


(cricket) the division of play during which six balls are bowled at the batsman by one player from the other team from the same end of the pitch


(cricket) an over in which no runs are scored


the historic period from about 1600 until 1750 when the baroque style of art, architecture, and music flourished in Europe


the period of history between classical antiquity and the Italian Renaissance


the period of European history at the close of the Middle Ages and the rise of the modern world; a cultural rebirth from the 14th through the middle of the 17th centuries


the early period when Italy was the center of the Renaissance


the transformation from an agricultural to an industrial nation


the historic period (1793-94) during the French Revolution when thousands were executed

the Reign of the Bourbons ended and the Reign of Terror began


any period of brutal suppression thought to resemble the Reign of Terror in France


the period during which a monarch is sovereign


a period during which something or somebody is dominant or powerful

he was helpless under the reign of his egotism


the period from about ten years before to ten years after a new century


a period in the 1920s when African-American achievements in art and music and literature flourished


the historic period (1933-1940) in the United States during which President Franklin Roosevelt's economic policies were implemented


the period after the American Civil War when the southern states were reorganized and reintegrated into the Union; 1865-1877


the reign of Charles II in England; 1660-1685


the period that presses run to produce an issue of a newspaper


the continuous period of time during which something (a machine or a factory) operates or continues in operation


(computer science) the length of time it takes to execute a software program


the time at which a (software or multimedia) program is run


a print run of a newspaper during which some articles or advertisements are changed to produce a different edition


the age beginning with the first space travel; from 1957 to the present


yesterday's solutions are not good enough


(New Testament) in the Book of Revelation it is foretold that those faithful to Jesus will reign with Jesus over the earth for a thousand years; the meaning of these words have been much debated; some denominations (e.g. Jehovah's Witnesses) expect it to be a thousand years of justice and peace and happiness


oewn-common_time-n oewn-four-four_time-n oewn-quadruple_time-n oewn-common_measure-n

a time signature indicating four beats to the bar


musical time with three beats in each bar


(music) the speed at which a composition is to be played


the dancers moved in time with the music


my ear will not accept such violent accelerandos


a quicker tempo than andante but not as fast as allegro


a moderately slow tempo (a walking pace)


a flexible tempo; not strictly on the beat


oewn-beginning-n oewn-commencement-n oewn-first-n oewn-outset-n oewn-get-go-n oewn-start-n oewn-kickoff-n oewn-starting_time-n oewn-showtime-n oewn-offset-n

the time at which something is supposed to begin


things were quiet during the Eisenhower administration


the point between the beginning and the end of a temporal period or process


the point in time at which something ends


the central and most intense or profound part


oewn-stopping_point-n oewn-finale-n oewn-finis-n oewn-finish-n oewn-last-n oewn-conclusion-n oewn-close-n

the stopping point of each round was signaled by a bell


(`cease' is a noun only in the phrase `without cease') end


the fag end of this crisis-ridden century


the end of a century, especially the 19th century


the point of death or exhaustion or completion


the starting point for a new state or experience


(computer science) the time it takes for a read/write head to move to a specific data track


(computer science) the time it takes for a read/write head to move to an adjacent data track


a definite length of time marked off by two instants


(electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude


a period of time considered as a resource under your control and sufficient to accomplish something


interval between the moon's transit of a particular meridian and the next high tide at that meridian


the time interval during which something or somebody is away


oewn-pause-n oewn-intermission-n oewn-break-n oewn-interruption-n oewn-suspension-n

a time interval during which there is a temporary cessation of something


a break or intermission in the occurrence of something


a suspension of radio or tv broadcasting


a pause or interruption (as in a conversation)

after an ominous caesura the preacher continued


an inadvertent interruption in a broadcast during which there is no sound


oewn-delay-n oewn-hold-n oewn-time_lag-n oewn-postponement-n oewn-wait-n

time during which some action is awaited


a mutually agreed delay in the date set for the completion of a job or payment of a debt

they applied for an extension of the loan


an intermission between the first and second half of a game


the interlude between two acts of a play


oewn-interim-n oewn-meantime-n oewn-meanwhile-n oewn-lag-n

the time between one event, process, or period and another

meanwhile the socialists are running the government


the time that elapses before the presence of a disease is manifested by symptoms


oewn-reaction_time-n oewn-response_time-n oewn-latency-n oewn-latent_period-n

the time that elapses between a stimulus and the response to it


a seemingly endless time interval (waiting)


the time between two reigns, governments, etc.


oewn-respite-n oewn-rest-n oewn-relief-n oewn-rest_period-n

people actually accomplish more when they take time for short rests


a pause during which things are calm or activities are diminished


oewn-breath-n oewn-breather-n oewn-breathing_place-n oewn-breathing_space-n oewn-breathing_spell-n oewn-breathing_time-n


the period of time during which a contract conveying property to a person is in effect


the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)


the time constant of an exponential return of a system to equilibrium after a disturbance


a legally authorized postponement before some obligation must be discharged


the extent to which something is delayed or held back


there are usually two high and two low tides each day


(physics) a rate of increase of velocity


the acceleration toward the center that holds a satellite in elliptical orbit


(physics) a rate of decrease in velocity


oewn-birthrate-n oewn-birth_rate-n oewn-fertility-n oewn-fertility_rate-n oewn-natality-n

the ratio of live births in an area to the population of that area; expressed per 1000 population per year


(computer science) the rate at which data is transferred (as by a modem)


the ratio of crimes in an area to the population of that area; expressed per 1000 population per year


the rate at which circuits or other devices operate when handling digital information


oewn-deathrate-n oewn-death_rate-n oewn-mortality-n oewn-mortality_rate-n oewn-fatality_rate-n

the ratio of deaths in an area to the population of that area; expressed per 1000 per year


the quantity of radiation absorbed per unit time


oewn-erythrocyte_sedimentation_rate-n oewn-ESR-n oewn-sedimentation_rate-n oewn-sed_rate-n

the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation


the amount of fluid that flows in a given time


the amount of blood pumped out by the ventricles in a given period of time

a resting adult has a cardiac output of about three quarts a minute


the rate of flow of energy or particles across a given surface


the number of occurrences within a given time period

the frequency of modulation was 40 cycles per second


oewn-gigahertz-n oewn-GHz-n oewn-gigacycle_per_second-n oewn-gigacycle-n oewn-Gc-n


the rate of increase in size per unit time


the growth rates in different parts of a growing organism are the same


oewn-hertz-n oewn-Hz-n oewn-cycle_per_second-n oewn-cycles-sl-second-n oewn-cps-n oewn-cycle-n

the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)


the rate of change of prices (as indicated by a price index) calculated on a monthly or annual basis


(mechanics) the rate of change of acceleration


(of ships and wind) a unit of speed equal to one nautical mile per hour or about 1.15 statute miles per hour


oewn-kilohertz-n oewn-kHz-n oewn-kilocycle_per_second-n oewn-kilocycle-n oewn-kc-n


oewn-kilometers_per_hour-n oewn-kilometres_per_hour-n oewn-kph-n oewn-km-sl-h-n

the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)


oewn-megahertz-n oewn-MHz-n oewn-megacycle_per_second-n oewn-megacycle-n oewn-Mc-n


rate of metabolism; the amount of energy expended in a give period


the ratio of the distance traveled (in miles) to the time spent traveling (in hours)


the rate of moving (especially walking or running)


the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health


pulse of the femoral artery (felt in the groin)


pulse of the radial artery (felt in the wrist)


the amount returned per unit of time expressed as a percentage of the cost


(corporate finance) the amount, expressed as a percentage, that is earned on a company's total capital calculated by dividing the total capital into earnings before interest, taxes, or dividends are paid


the rate at which a person inhales and exhales; usually measured to obtain a quick evaluation of a person's health


(telecommunication) the frequency of sampling per unit time


(telecommunication) the lowest sampling rate that will permit accurate reconstruction of a sampled analog signal


the rate at which radiant solar energy is received at the outer layer of the earth's atmosphere


the time between occurrences of a repeating event

some women do not control the spacing of their children


a normal marching pace of 120 steps per minute


a fast marching pace (180 steps/min) or slow jog


the speed of an aircraft relative to the air in which it is flying


the minimum velocity needed to escape a gravitational field


the speed of an aircraft relative to the ground


the meteorites struck the earth with hypervelocity impacts


the velocity of a projectile as it leaves the muzzle of a gun


velocity with respect to the local standard of rest


velocity along the line of sight toward or away from the observer


the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second


(nautical) the minimum rate of motion needed for a vessel to be maneuvered


the constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity


a speedometer reading for the momentary rate of travel


the frequency with which a person is present

a student's attendance is an important factor in her grade


(telecommunication) the frequency of sampling a continuously varying signal


(telecommunication) twice the maximum frequency occurring in the transmitted signal


the death rate during the first year of life


the death rate during the first 28 days of life


the rate at which words are produced (as in speaking or typing)


oewn-beats_per_minute-n oewn-bpm-n oewn-metronome_marking-n oewn-M.M.-n

the pace of music measured by the number of beats occurring in 60 seconds


a magnitude or frequency relative to a time unit

they traveled at a rate of 55 miles per hour


the maximum data rate that can be attained over a given channel


the rate of flow of neutrons; the number of neutrons passing through a unit area in unit time


the rate of flow of radiant energy (electromagnetic waves)


(pathology) the phase in the development of an infection between the time a pathogen enters the body and the time the first symptoms appear


an interval during which a recurring sequence of events occurs


a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation


the time in the menstrual cycle when fertilization is most likely to be possible (7 days before to 7 days after ovulation)


the phase of the menstrual cycle during which the lining of the uterus is shed (the first day of menstrual flow is considered day 1 of the menstrual cycle)


an annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear


the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins


the time interval between the initiation and the completion of a production process

the lead times for many publications can vary tremendously


the interval taken to complete one cycle of a regularly repeating phenomenon


the time it takes to complete one full orbit around a celestial body

the orbit period depends on the altitude of the satellite


a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle


any distinct time period in a sequence of events

we are in a transitional stage in which many former ideas must be revised or rejected


a stage of technological development or innovation


their achievements stand as a culmination of centuries of development


the term during which some position is held


the time period during which you are at work


oewn-go-n oewn-spell-n oewn-tour-n oewn-turn-n

a time period for working (after which you will be relieved by someone else)


a period of time (4 or 2 hours) during which some of a ship's crew are on duty


the period during which someone (especially a guard) is on duty


either of two short watches: from 4-6 pm or 6-8 pm


the work shift during the day (as 8 a.m. to 4 p.m.)


the work shift during the evening (as 4 p.m. to midnight)


the work shift during the night (as midnight to 8 a.m.)


a working shift divided into two periods of time with several hours in between


a period of time during which there is no war


a period of time during which there is armed conflict


oewn-graveyard_watch-n oewn-middle_watch-n oewn-midwatch-n oewn-night_watch-n

a watch during the night (as from midnight to 8 a.m.)


oewn-enlistment-n oewn-hitch-n oewn-term_of_enlistment-n oewn-tour_of_duty-n oewn-duty_tour-n oewn-tour-n

a period of time spent in military service


the early (usually calm and harmonious) period of a relationship; business or political


a 15-year cycle used as a chronological unit in ancient Rome and adopted in some medieval kingdoms


the time interval between the deposit of a check in a bank and its payment


a period during the 1930s when there was a worldwide economic depression and mass unemployment


the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment


the period between infection and the appearance of symptoms of the disease


the period during which you are a novice (especially in a religious order)


oewn-flower-n oewn-prime-n oewn-peak-n oewn-heyday-n oewn-bloom-n oewn-blossom-n oewn-efflorescence-n oewn-flush-n

the period of greatest prosperity or productivity


a time period when some activity or skill was at its peak


the duration of a monarch's or government's power


the period from 1811-1820 when the Prince of Wales was regent during George III's periods of insanity


the length of time that a movie or tv show runs


the point in time at which an entertainment (a movie or television show etc.) is scheduled to begin


that time during a woman's menstrual cycle during which conception is least likely to occur (usually immediately before of after menstruation)


a feast day and the seven days following it


(Judaism) a period of seven days of mourning after the death of close relative


(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded


the time it takes for a sample of blood to clot; used to diagnose some clotting disorders


(computer science) the time it takes for a specific block of data on a data track to rotate around to the read/write head


a trial period during which an offender has time to redeem himself or herself


a trial period during which your character and abilities are tested to see whether you are suitable for work or for membership


the time it takes to complete a prescribed procedure

they increased output by decreasing processing time


the time period during which military and civilian agencies are prepared for an enemy air attack


oewn-command_processing_overhead_time-n oewn-command_processing_overhead-n oewn-command_overhead-n oewn-overhead-n

(computer science) the processing time required by a device prior to the execution of a command


the period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in Avignon


a period during a parliamentary session when members of British Parliament may ask questions of the ministers


(computer science) the time it takes for a process under computer control to occur


the actual time that it takes a process to occur


the period of time during which a regent governs


a period of time during the school day that is set aside for study


(Christianity) a church festival held in commemoration of the Transfiguration of Jesus


the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)


the time period that is considered best for starting or finishing something

the expanded window will give us time to catch the thieves


oewn-September_11_attacks-n oewn-9-sl-11-n oewn-9-11-n oewn-September_11-n oewn-Sept._11-n oewn-Sep_11-n

the day in 2001 when Arab suicide bombers hijacked United States airliners and used them as bombs


The day before Valentine's Day, e.g., February 1


a day on which school or other events are cancelled due to snow


Sunday as a day for relaxing and having fun


both morning and night, used when greeting someone


a reckoning of the passage of time based on the Sun's position in the sky.

In September the Sun takes less time (as measured by an accurate clock) to make an apparent revolution than it does in December; 24 "hours" of solar time can be 21 seconds less or 29 seconds more than 24 hours of clock time.


the ratio of the distance traveled (in kilometers) to the time spent traveling (in seconds).

Light travels in vacuum at the speed of almost 300,000 kilometers per second.


a segment of rock formed during a particular interval of geologic time.

Chronostratigraphic units are geological material, so it is correct to say that fossils of the species Tyrannosaurus rex have been found in the Upper Cretaceous Series.


(literary) the later years of one's life, especially after one has finished their career.

He spent his autumn years surrounded by family and friends.


The quality or state of being wasted and weakened by or as if by the infirmities of old age.

He is obscurely pleased by this discovery of his decrepitude, and is indulging what he fancies to be a prerogative of old age by talking to himself in public.


the name of an epoch or era within a four age cycle in Hindu philosophy.

Like Summer, Spring, Winter and Autumn, each yuga involves stages or gradual changes which the earth and the consciousness of mankind goes through as a whole.


Parental leave or family leave is an employee benefit available in almost all countries that provides paid time off work to care for a child or make arrangements for the child's welfare.

The terms "parental leave" and "family leave" include maternity, paternity, and adoption leave.


The breeding season is the most suitable season, usually with favourable conditions and abundant food and water, for breeding.

The Passenger pigeon is a famous example of probably the most numerous land bird on the American continent which had evolved for communal breeding that went extinct due to large scale hunting in its communal breeding grounds during the breeding season and its inability to breed in smaller numbers.


One full cycle of four Yugas is one Mahā-Yuga (4.32 million solar years).


A paternity leave is a parental leave that a father can take after the birth of his child.

Don't worry Petunia, I'll take a paternity leave to help you take care of Dudley.


A dead season is a period during the year in which very few people want to buy a particular product or service.

My friend's coffeehouse suffered a dead season after Starbucks was opened nearby.


a breeding season for sheep, usually in the autumn.


A school holiday in winter, the date and duration of which depends on the country.

The Chinese New Year is also a school holiday called winter holiday or winter break, which usually last 1 month.


a type of motion in which the velocity of an object changes by an equal amount in every equal time period.

In this case, the constant acceleration due to gravity is written as g, and Newton's Second Law becomes F = mg.


the vector difference between the velocities of two bodies : the velocity of a body with respect to another regarded as being at rest.

The motion may have a different appearance as viewed from a different reference frame, but this can be explained by including the relative velocity of the reference frame in the description of the motion.


A time and place characterized by an assemblage of interrelated cultural, societal, ideological, technological, historic, and other trends in which related groups of authors wrote.

Trying to fix a definitive set of dates to a literary period is never straightforward, and our attempts to do so are often somewhat arbitrary.


mutual dealings or connections or communications among persons or groups


a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness)

the relationship between mothers and their children


a relation such that one thing is dependent on another


a cooperative relationship between people or groups who agree to share responsibility for achieving some specific goal

effective language learning is a partnership between school, teacher and student


a close personal relationship that forms between people (as between husband and wife or parent and child)


a personal relation in which one is indebted for a service or favor


the formation of a close personal relationship between women


the formation of a close personal relationship between men

the rituals known as male bonding do not necessarily involve drinking beer together


the attachment that forms between an infant and its mother beginning at birth

maternal-infant bonding influences the child's psychological and physical development


a relation resulting from interaction or dependence

flints were found in association with the prehistoric remains of the bear


two propositions are contradictories if both cannot be true (or both cannot be false) at the same time


a logical relation such that two propositions are contraries if both cannot be true but both can be false


a relation between mathematical expressions (such as equality or inequality)


oewn-function-n oewn-mathematical_function-n oewn-single-valued_function-n oewn-map-n oewn-mapping-n

(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)


a function expressed as a sum or product of terms

the expansion of (a+b)^2 is a^2 + 2ab + b^2


a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x


a function of two variables i and j that equals 1 when i=j and equals 0 otherwise


a function of a topological space that gives, for any two points in the space, a value equal to the distance between them


(mathematics) a function that changes the position or direction of the axes of a coordinate system


(mathematics) a transformation in which the direction of one axis is reversed


(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin


(mathematics) a transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same


(mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis


a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points


(mathematics) a symbol or function representing a mathematical operation


an operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions)


an operator that leaves unchanged the element on which it operates

the identity under numerical multiplication is 1


function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle


ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle


oewn-arc_sine-n oewn-arcsine-n oewn-arcsin-n oewn-inverse_sine-n

the inverse function of the sine; the angle that has a sine equal to a given number


ratio of the adjacent side to the hypotenuse of a right-angled triangle


oewn-arc_cosine-n oewn-arccosine-n oewn-arccos-n oewn-inverse_cosine-n

the inverse function of the cosine; the angle that has a cosine equal to a given number


ratio of the opposite to the adjacent side of a right-angled triangle


oewn-arc_tangent-n oewn-arctangent-n oewn-arctan-n oewn-inverse_tangent-n

the inverse function of the tangent; the angle that has a tangent equal to a given number


ratio of the adjacent to the opposite side of a right-angled triangle


the inverse function of the cotangent; the angle that has a cotangent equal to a given number


ratio of the hypotenuse to the adjacent side of a right-angled triangle


oewn-arc_secant-n oewn-arcsecant-n oewn-arcsec-n oewn-inverse_secant-n

the inverse function of the secant; the angle that has a secant equal to a given number


ratio of the hypotenuse to the opposite side of a right-angled triangle


the angle that has a cosecant equal to a given number


a function that takes the value 1 if a specified function of the arguments exceeds a given threshold and 0 otherwise


a function in which an independent variable appears as an exponent


an equation involving exponential functions of a variable


a mathematical expression consisting of a constant (especially e) raised to some power


a series derived from the expansion of an exponential expression


(mathematics) a relation between a pair of integers: if both integers are odd or both are even they have the same parity; if one is odd and the other is even they have different parity

parity is often used to check the integrity of transmitted data


the parity of even numbers (divisible by two)


the parity of odd numbers (not divisible by two)


the basis on which something is grounded

there is little foundation for his objections


a relation that provides the foundation for something


a basis agreed to by all parties for reaching a mutual understanding


the problem was attacked at the grass roots


a relation between things or events (as in the case of one causing the other or sharing features with it)

there was a connection between eating that pickle and having that nightmare


(electronics) connection of components in such a manner that current flows first through one and then through the other

the voltage divider consisted of a series of fixed resistors


a connection based on kinship or marriage or common interest

the shifting alliances within a large family


the emotional bond between a mother and her offspring


the means of connection between things linked in series


a connection allowing access between persons or places

how many lines of communication can there be among four people?


the linking together of a consecutive series of symbols or events or ideas etc

it was caused by an improbable concatenation of circumstances


something resembling a bridge in form or function

his letters provided a bridge across the centuries


a connection of inclusion or containment


a relation implicated by virtue of involvement or close connection (especially an incriminating involvement)

he was suspected of implication in several robberies


he admired the inclusion of so many ideas in such a short work


the relation of something to the matter at hand


relevance requiring careful consideration


a style in speech or writing that arrests attention and has a penetrating or convincing quality or effect


pertinence by virtue of a close relation to the matter at hand


relevance by virtue of being applicable to the matter at hand


those issues have no bearing on our situation


the lack of a relation of something to the matter at hand


irrelevance by virtue of being inapplicable to the matter at hand


complete irrelevance requiring no further consideration


the lack of any particular manner of connectedness


unrelatedness by virtue of falling outside the matter at hand


a linguistic relation established by grammar


a relation between linguistic forms or constituents


the determination of grammatical inflection on the basis of word relations


agreement in number between words in the same grammatical construction (e.g., between adjectives and the nouns they modify)


agreement in person between pronouns and verbs


agreement in grammatical case between words in the same construction


agreement in grammatical gender between words in the same construction


the grammatical relation created by a transitive verb


the grammatical relation created by an intransitive verb


(logic and mathematics) a relation between three elements such that if it holds between the first and second and it also holds between the second and third it must necessarily hold between the first and third


(logic and mathematics) a relation such that it holds between an element and itself


the grammatical relation between two words that have a common referent


the coreferential relation between a reflexive pronoun and its antecedent


the grammatical relation between linguistic units (words or phrases or clauses) that are connected by a conjunction


the coordination by conjunction of linguistic units of the same status


the subordination that occurs when a conjunction makes one linguistic unit a constituent of another


the conjunctive relation of units that expresses the addition of their meanings


the conjunctive relation of units that expresses the disjunction of their meanings


the conjunctive relation of units that expresses the opposition of their meanings


the grammatical relation of a word or phrase to a predicate


the grammatical relation of two constituents having the same grammatical form


the grammatical relation of a modifying word or phrase to its head


the grammatical relation that exists when a word qualifies the meaning of the phrase


a grammatical qualification that makes the meaning more specific (`red hat' has a more specific meaning than `hat')


a grammatical relation between a word and a noun phrase that follows

`Rudolph the red-nosed reindeer' is an example of apposition


verb inflections that express how the action or state is conceived by the speaker


oewn-indicative_mood-n oewn-indicative-n oewn-declarative_mood-n oewn-declarative-n oewn-common_mood-n oewn-fact_mood-n

a mood (grammatically unmarked) that represents the act or state as an objective fact


a mood that represents an act or state (not as a fact but) as contingent or possible


a mood (as in Greek or Sanskrit) that expresses a wish or hope; expressed in English by modal verbs


oewn-imperative_mood-n oewn-imperative-n oewn-jussive_mood-n oewn-imperative_form-n

a mood that expresses an intention to influence the listener's behavior


some linguists consider interrogative sentences to constitute a mood


a classification of propositions on the basis of whether they claim necessity or possibility or impossibility


the relation between an anaphor and its antecedent


(linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes


the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb

`The boy threw the ball' uses the active voice


the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb

`The ball was thrown by the boy' uses the passive voice


a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function


the inflection of nouns and pronouns and adjectives in Indo-European languages


systematic arrangement of all the inflected forms of a word


the act of pluralizing or attributing plurality to


the beginning or duration or completion or repetition of the action of a verb


the aspect of a verb that expresses a completed action


aspect without regard to the beginning or completion of the action of the verb


the aspect of a verb that expresses its duration


the aspect of a verb that expresses its on-going action


aspect with regard to the beginning of the action of the verb


the aspect of the verb that expresses the repetition of an action


oewn-progressive-n oewn-progressive_tense-n oewn-imperfect-n oewn-imperfect_tense-n oewn-continuous_tense-n

a tense of verbs used in describing action that is on-going


a tense used to express action that is on-going at the time of utterance


oewn-perfective-n oewn-perfective_tense-n oewn-perfect-n oewn-perfect_tense-n

a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)


a perfective tense used to express action completed in the present

`I have finished' is an example of the present perfect


a term formerly used to refer to the simple past tense


oewn-past_perfect-n oewn-past_perfect_tense-n oewn-pluperfect-n oewn-pluperfect_tense-n

a perfective tense used to express action completed in the past

`I had finished' is an example of the past perfect


a progressive tense used to describe on-going action in the past

`I had been running' is an example of the past progressive


a perfective tense used to describe action that will be completed in the future

`I will have finished' is an example of the future perfect


a progressive tense used to express action that will be on-going in the future

`I will be running' is an example of the future progressive


the semantic relation of being subordinate or belonging to a lower rank or class


the semantic relation of being superordinate or belonging to a higher rank or class


the semantic relation that holds between two words that can (in a given context) express the same meaning


the semantic relation that holds between two words that can (in a given context) express opposite meanings


the semantic relation that holds between a whole and its parts


the semantic relation that holds between a part and the whole


the semantic relation of being a manner of does something


the relation between two words that are spelled the same way but differ in meaning or the relation between two words that are pronounced the same way but differ in meaning


oewn-part-n oewn-portion-n oewn-component_part-n oewn-component-n oewn-constituent-n

something determined in relation to something that includes it

he wanted to feel a part of something bigger than himself


the most important or necessary part of something


a small part that can be considered separately from the whole


the highlight of the tour was our visit to the Vatican


an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

the reduced the number of units and installations


snakes are members of the class Reptilia


oewn-remainder-n oewn-balance-n oewn-residual-n oewn-residue-n oewn-residuum-n oewn-rest-n

something left after other parts have been taken away


a small part or portion that remains after the main part no longer exists


a close connection marked by community of interests or similarity in nature or character

found a natural affinity with the immigrants


a relationship of mutual understanding or trust and agreement between people


a relation of affinity or harmony between people; whatever affects one correspondingly affects the other


(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

in anatomical structure prehistoric man shows close affinity with modern humans


(anthropology) relatedness or connection by blood or marriage or adoption


oewn-descent-n oewn-line_of_descent-n oewn-lineage-n oewn-filiation-n

the kinship relation between an individual and the individual's progenitors


(anthropology) kinship by marriage or adoption; not a blood relationship


a family relationship by virtue of remarriage


(anthropology) the condition of being related by blood


the kinship relation of an offspring to the parents


the kinship relation between an offspring and the father


the kinship relation between an offspring and the mother


the kinship relation between a female offspring and the siblings


the kinship relation between a male offspring and the siblings


line of descent traced through both the maternal and paternal sides of the family


line of descent traced through one side of the family


line of descent traced through the maternal side of the family


line of descent traced through the paternal side of the family


the relationship between wife and husband


the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree

an inordinate proportion of the book is given over to quotations


the quotient obtained when the magnitude of a part is divided by the magnitude of the whole


the number of cases of a disease ending in death divided by the number of cases of the disease; usually expressed as a percentage or as the number of deaths per 1000 cases


the number of cases of a disease divided by the number of infections with the agent that causes the disease


the proportion of a substance that is contained in a mixture or alloy etc.


a quantity or amount or measure considered as a proportion of another quantity or amount or measure


the ratio between the size of something and a representation of it


the proportional relation between two divisions of line or two dimension of a plane figure such that short : long :: long : (short + long)


the relation of corresponding in degree or size or amount


oewn-percentage-n oewn-percent-n oewn-per_centum-n oewn-pct-n

a proportion in relation to a whole (which is usually the amount per hundred); ten percent


the percentage of workers who do not report to work


(baseball) a measure of a batter's performance; the number of base hits divided by the number of official times at bat

Ted Williams once had a batting average above .400


(an extension of the baseball term) the proportion of times some effort succeeds

the salesman's batting average was 7 out of 12


(baseball) a measure of a fielder's performance; the number of assists and putouts divided by the number of chances


the percentage of all rental units (as in hotels) are occupied or rented at a given time


the percentage of all rental units (as in hotels) that are unoccupied or not rented at a given time


the percentage of the work force that is unemployed at any given date


the relative magnitudes of two quantities (usually expressed as a quotient)


(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million


(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present


the ratio of reflected to incident light


the ratio of the width to the height of a tv picture


(sports) the ratio of successful performances to opportunities


ratio (in percent) of the maximum breadth to the maximum length of a skull


the ratio of the output to the input of any system


a numerical expression representing the efficiency of a given system, material, or procedure


the ratio (in percent) of the maximum width to the maximum height of the face


oewn-focal_ratio-n oewn-f_number-n oewn-stop_number-n oewn-speed-n

the ratio of the focal length to the diameter of a (camera) lens system


the ratio of the number of observations in a statistical category to the total number of observations


the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit


a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)


the average IQ of the adults in a given population


the minimal IQ required for someone to function normally and independently in the world (without some form of institutional assistance)


(aeronautics) the ratio of an external load to the weight of the aircraft (measured in g)


the ratio of the annual claims paid by an insurance company to the premiums received


the ratio of the speed of a moving body to the speed of sound


the ratio of the size of an image to the size of the object


the ratio of the force exerted by a machine to the force applied to it


oewn-mileage-n oewn-fuel_consumption_rate-n oewn-gasoline_mileage-n oewn-gas_mileage-n

the ratio of the number of miles traveled to the number of gallons of gasoline burned


the ratio by which one better's wager is greater than that of another


a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10


the output power of a transducer divided by the input power


(epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population


(stock market) the price of a stock divided by its earnings


(economics) the ratio of the quantity and quality of units produced to the labor per unit of time


a ratio of two quantities that is constant


the ratio of two quantities to be divided


the ratio of the velocity of light in a vacuum to that in a medium


the ratio of the amount of water in the air at a given temperature to the maximum amount it could hold at that temperature; expressed as a percentage


the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism or cell in a given period of time


the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use


oewn-signal-to-noise_ratio-n oewn-signal-to-noise-n oewn-signal-sl-noise_ratio-n oewn-signal-sl-noise-n oewn-S-sl-N-n

the ratio of signal intensity to noise intensity


(chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)


the ratio of the inductance of a circuit in henries to its resistance in ohms


the ratio of the number of workers that had to be replaced in a given time period to the average number of workers


the ratio of the gross weight of an airplane to some factor determining its lift


the ratio of the weight of an airplane to its engine power


the ratio of the weight of an airplane to its wingspan


the ratio of the weight of an airplane to its wing area


the relative frequency of occurrence of something


the relative incidence of a particular disease


a relation of constraint of one entity (thing or person or group) by another


the spatial relation between something and the course along which it points or moves

he checked the direction and velocity of the wind


the direction in which something (such as a building) faces


position or alignment relative to points of the compass or other specific directions


position of aircraft or spacecraft relative to a frame of reference (the horizon or direction of motion)


attitude of an aircraft in flight when allowed to take its own orientation


the relation of opposition between things at right angles


the relation of opposition along a diameter


the relation of opposition between crystals or molecules that are reflections of one another


the direction from which the wind is coming


the direction in which the wind is blowing


one of the four major division of the compass


any of 32 horizontal directions indicated on the card of a compass


oewn-north-n oewn-due_north-n oewn-northward-n oewn-N-n

the cardinal compass point that is at 0 or 360 degrees


the compass point that is one point east (clockwise) of due north


the direction in which a compass needle points


the compass point that is midway between north and northeast


the compass point that is one point north of northeast


oewn-northeast-n oewn-nor-ap--east-n oewn-northeastward-n oewn-NE-n

the compass point midway between north and east; at 45 degrees


the compass point that is one point east of northeast


the compass point midway between northeast and east


the compass point that is one point north of due east


oewn-east-n oewn-due_east-n oewn-eastward-n oewn-E-n

the cardinal compass point that is at 90 degrees


the compass point that is one point south of due east


the compass point midway between east and southeast


the compass point that is one point east of southeast


oewn-southeast-n oewn-sou-ap--east-n oewn-southeastward-n oewn-SE-n

the compass point midway between south and east; at 135 degrees


the compass point that is one point south of southeast


the compass point midway between south and southeast


the compass point that is one point east of due south


oewn-south-n oewn-due_south-n oewn-southward-n oewn-S-n

the cardinal compass point that is at 180 degrees


the compass point that is one point west of due south


the compass point midway between south and southwest


the compass point that is one point south of southwest


oewn-southwest-n oewn-sou-ap--west-n oewn-southwestward-n oewn-SW-n

the compass point midway between south and west; at 225 degrees


the compass point that is one point west of southwest


the compass point midway between west and southwest


the compass point that is one point south of due west


oewn-west-n oewn-due_west-n oewn-westward-n oewn-W-n

the cardinal compass point that is at 270 degrees


the compass point that is one point north of due west


the compass point midway between west and northwest


the compass point that is one point west of northwest


oewn-northwest-n oewn-nor-ap--west-n oewn-northwestward-n oewn-NW-n

the compass point midway between north and west; at 315 degrees


the compass point that is one point north of northwest


the compass point that is midway between north and northwest


the compass point that is one point west of due north


the direction corresponding to the northward cardinal compass point


the direction corresponding to the northeastward compass point


the direction corresponding to the eastward cardinal compass point


the direction corresponding to the southeastward compass point


the direction corresponding to the southward cardinal compass point


the direction corresponding to the southwestward compass point


the direction corresponding to the westward cardinal compass point


the direction corresponding to the northwestward compass point


relation by which any position with respect to any other position is established


oewn-elevation-n oewn-EL-n oewn-altitude-n oewn-ALT-n

angular distance above the horizon (especially of a celestial object)


angular distance below the horizon (especially of a celestial object)


a relation between different business enterprises


a business relation in which two parties compete to gain customers

business competition can be fiendish at times


intense competition in which competitors cut retail prices to gain business


the relation that exists when one person requests and is granted professional help from a qualified source


the professional relation between a health care professional and a patient


the responsibility of a physician to act in the best interests of the patient


the responsibility of a nurse to act in the best interests of the patient


a professional relation that is regulated by law (as between a lawyer and a client)


the legal relation that exists when one person justifiably places reliance on another whose aid or protection is sought in some matter


the responsibility of a bank to act in the best interests of the depositors


the responsibility of a confidential adviser to act in the best interest of the advisee


the responsibility of a conservator to act in the best interests of the ward


the responsibility of corporate directors to act in the best interests of stockholders


the responsibility of an executor (or administrator) of an estate to act in the best interests of the heir


the responsibility of a lawyer to act in the best interests of the client


the responsibility of partners to act in one another's best interests


the responsibility of receiver or trustee in bankruptcy to act in the best interests of the creditor


the responsibility of a trustee to act in the best interests of the beneficiary


a professional relation between instructors and those they instruct


the academic relation between teachers and their students


social relations involving intrigue to gain authority or power

office politics is often counterproductive


the way two individuals relate to each other

their chemistry was wrong from the beginning -- they hated each other


a relation of mutual dependence or action or influence


the interrelation of reciprocity whereby one thing supplements or depends on the other


a reciprocal relation between two or more things


a reciprocal relation between interdependent entities (objects or individuals or groups)


the relation between two different kinds of organisms when one receives benefits from the other without damaging it