| CHALCOCITE | • chalcocite n. (Mineralogy) Cuprous sulfide, Cu2S, an important ore of copper. • CHALCOCITE n. a greyish-black mineral, native copper sulphide. |
| CHALCOCITES | • chalcocites n. Plural of chalcocite. • CHALCOCITE n. a greyish-black mineral, native copper sulphide. |
| CHALCOGEN | • chalcogen n. (Inorganic chemistry) Any element of group 16 of the periodic table: oxygen, sulfur, selenium, tellurium or polonium. • CHALCOGEN n. an element from group VI(B) of the periodic table, namely sulphur, selenium or tellurium. |
| CHALCOGENIDE | • chalcogenide n. (Inorganic chemistry) Any binary compound of a chalcogen with a more electropositive element. • CHALCOGENIDE n. a binary compound of a chalcogen with a more electropositive element or radical. |
| CHALCOGENIDES | • chalcogenides n. Plural of chalcogenide. • CHALCOGENIDE n. a binary compound of a chalcogen with a more electropositive element or radical. |
| CHALCOGENS | • chalcogens n. Plural of chalcogen. • CHALCOGEN n. an element from group VI(B) of the periodic table, namely sulphur, selenium or tellurium. |
| CHALCOGRAPHER | • chalcographer n. An engraver on copper or brass. • chalcographer n. An engraver of copper plates for printing upon paper. • CHALCOGRAPHER n. one who practises chalcography, the art of engraving on copper or brass. |
| CHALCOGRAPHERS | • chalcographers n. Plural of chalcographer. • CHALCOGRAPHER n. one who practises chalcography, the art of engraving on copper or brass. |
| CHALCOGRAPHIC | • CHALCOGRAPHIC adj. relating to chalcography, also CHALCOGRAPHICAL. |
| CHALCOGRAPHICAL | • CHALCOGRAPHICAL adj. relating to chalcography, also CHALCOGRAPHIC. |
| CHALCOGRAPHIES | • CHALCOGRAPHY n. the art of engraving on copper or brass. |
| CHALCOGRAPHIST | • chalcographist n. Synonym of chalcographer. • CHALCOGRAPHIST n. one who practises chalcography, the art of engraving on copper or brass. |
| CHALCOGRAPHISTS | • chalcographists n. Plural of chalcographist. • CHALCOGRAPHIST n. one who practises chalcography, the art of engraving on copper or brass. |
| CHALCOGRAPHY | • chalcography n. Engraving on copper or brass. • CHALCOGRAPHY n. the art of engraving on copper or brass. |
| CHALCOLITHIC | • chalcolithic adj. Synonym of Eneolithic. • CHALCOLITHIC adj. of or relating to a period characterized by the use of both stone and bronze implements. |
| CHALCOPYRITE | • chalcopyrite n. (Mineralogy) A yellow mineral that is a mixed sulfide of copper and iron, with the chemical formula CuFeS2. • CHALCOPYRITE n. copper pyrites, a yellow double sulphide of copper and iron. |
| CHALCOPYRITES | • chalcopyrites n. Plural of chalcopyrite. • CHALCOPYRITE n. copper pyrites, a yellow double sulphide of copper and iron. |