/ Dictionary / Index S sterilant: Meaning and Definition of Find definitions for: ster•i•lant Pronunciation: (ster'u-lunt), [key] — n. Chem. a sterilizing agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sterigma sterile Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language