/ Dictionary / Index H hematite: Meaning and Definition of Find definitions for: he•ma•tite Pronunciation: (hē'mu-tīt", hem'u-), [key] — n. a very common mineral, iron oxide, FeO, occurring in steel-gray to black crystals and in red earthy masses: the principal ore of iron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hematite (Thesaurus) hematinic hemato- Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language