/ Dictionary / Index O odorant: Meaning and Definition of Find definitions for: o•dor•ant Pronunciation: (ō'dur-unt), [key] — n. an odorous substance or product. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. odor odoriferous Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language