/ Dictionary / Index D dentifrice: Meaning and Definition of Find definitions for: den•ti•frice Pronunciation: (den'tu-fris), [key] — n. a paste, powder, liquid, or other preparation for cleaning the teeth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dentifrice (Thesaurus) dentiform dentigerous Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language