/ Dictionary / Index S sanitizer: Meaning and Definition of Find definitions for: san•i•tiz•er Pronunciation: (san'i-tī"zur), [key] — n. a substance or preparation for killing germs, designed for use esp. on food-processing equipment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sanitize sanity Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language