/ Dictionary / Index A anatase: Meaning and Definition of Find definitions for: an•a•tase Pronunciation: (an'u-tās", -tāz"), [key] — n. Mineral. a naturally occurring crystalline form of titanium dioxide, TiO. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anatabine anatexis Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language