/ Dictionary / Index B barite: Meaning and Definition of Find definitions for: bar•ite Pronunciation: (bâr'īt, bar'-), [key] — n. a common mineral, barium sulfate, BaSO, occurring in white, yellow, or colorless tabular crystals: the principal ore of barium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barite (Thesaurus) barit. baritone Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language