n. (Min.) A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead. [ 1913 Webster ]
a. [ Gr. fw^s light + the root of gi`gnesqai to be born: cf. F. phosgène. ] (Old Chem.) Producing, or produced by, the action of light; -- used specifically to designate a gas also called carbonyl chloride. See phosgene, n., and Carbonyl. [ 1913 Webster + PJC ]
n. (Chem.) A reactive chemical substance (COCl2), also called carbonyl choride, used in synthesis of numerous substances. In the First World War it was also used as a poisonous gas in combat. [ PJC ]
a. [ Gr. fw^s light + the root of gi`gnesqai to be born: cf. F. phosgène. ] (Old Chem.) Producing, or produced by, the action of light; -- used specifically to designate a gas also called carbonyl chloride. See phosgene, n., and Carbonyl. [ 1913 Webster + PJC ]
n. (Chem.) A reactive chemical substance (COCl2), also called carbonyl choride, used in synthesis of numerous substances. In the First World War it was also used as a poisonous gas in combat. [ PJC ]
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