a number that when squared gives the value of the original number. e.g. The square root of 25 = 5 because 52 = 25.
A factor of a number that when squared gives the number (the square root of 9 is 3). ll- taxa survey: A taxonomic survey of various groups of plants and animals.
The square root of x is the number that, when multiplied by itself, gives the number x.