/ Dictionary / Index A acmite: Meaning and Definition of Find definitions for: ac•mite Pronunciation: (ak'mīt), [key] — n. a rare pyroxene mineral, sodium-ferric iron silicate, NaFe(SiO), found in feldspathoid rocks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acmesthesia acne Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language