/ Dictionary / Index C chemosterilant: Meaning and Definition of Find definitions for: che•mo•ster•i•lant Pronunciation: (kē"mō-ster'u-lunt, kem"ō-), [key] — n. a chemical that causes an animal to become irreversibly sterile without changing its mating behavior or longevity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chemosphere chemosterilize Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language