/ Dictionary / Index C cerussite: Meaning and Definition of Find definitions for: ce•rus•site Pronunciation: (sēr'u-sīt", si-rus'īt), [key] — n. a mineral, lead carbonate, PbCO, found in masses or in colorless, transparent crystals: an important ore of lead. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cerussite (Thesaurus) ceruse Cervantes Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language