/ Dictionary / Index M malachite: Meaning and Definition of Find definitions for: mal•a•chite Pronunciation: (mal'u-kīt"), [key] — n. a green mineral, basic copper carbonate, CuCO(OH), an ore of copper, used for making ornamental articles. a ceramic ware made in imitation of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: malachite (Thesaurus) Malachi malacia Related Content Daily Word Quiz: abyss Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language