/ Dictionary / Index C chalcocite: Meaning and Definition of Find definitions for: chal•co•cite Pronunciation: (kal'ku-sīt"), [key] — n. a common mineral, cuprous sulfide, CuS: an important ore of copper. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chalcocite (Thesaurus) chalco- chalcogen Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language