/ Dictionary / Index G gahnite: Meaning and Definition of Find definitions for: gahn•ite Pronunciation: (gä'nīt), [key] — n. a dark-green to black mineral of the spinel group, zinc aluminate, ZnAlO. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gahanna GAI Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language