One of the mysteries of the English language finally explained.
A protozoan of the group Opalinata, which comprises ciliated organisms parasitic in the intestines of lower vertebrates, especially frogs and toads.
Of or relating to the opalinids.
Late 19th century; earliest use found in William Saville-Kent (1845–1908), marine biologist. From scientific Latin Opalinidae, family name from Opalina, genus name + -idae.
In this article we explore how to impress employers with a spot-on CV.