/ Dictionary / Index S sternutator: Meaning and Definition of Find definitions for: ster•nu•ta•tor Pronunciation: (stûr'nyu-tā"tur), [key] — n. Chemical Warfare. a chemical agent causing nose irritation, coughing, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sternutator (Thesaurus) sternutation sternutatory Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language