/ Dictionary / Index B bornite: Meaning and Definition of Find definitions for: born•ite Pronunciation: (bôr'nīt), [key] — n. a common mineral and important ore of copper, copper iron sulfide, CuFeS, occurring in masses, of brownish color when first exposed to the air; peacock ore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bornite (Thesaurus) Bornholm Bornu Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language