phosgene gas

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• phosgene gas — Carbonyl Car bon*yl, n. [Carbon + yl.] (Chem.) The radical {(CO) }, occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc. [1913 Webster] Note: Though denoted by a formula identical with that of …   The Collaborative International Dictionary of English

• Phosgene — Not to be confused with phosphine, oxalyl chloride, or phosgene oxime. Phosgene[1] …   Wikipedia

• phosgene — Carbonyl Car bon*yl, n. [Carbon + yl.] (Chem.) The radical {(CO) }, occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc. [1913 Webster] Note: Though denoted by a formula identical with that of …   The Collaborative International Dictionary of English

• Phosgene oxime — IUPAC name …   Wikipedia

• gas — [gas] n. pl. gases or gasses [gas′iz] [ModL, altered by Van Helmont (1577 1644), Belgian chemist (with g pronounced, as in Du, as a voiced fricative) < Gr chaos, air (see CHAOS), term used by Paracelsus] 1. the fluid form of a substance in… …   English World dictionary

• Phosgene — Phos gene, a. [Gr. fw^s light + the root of gi gnesqai to be born: cf. F. phosg[ e]ne.] (Old Chem.) Producing, or produced by, the action of light; used specifically to designate a gas also called {carbonyl chloride}. See {Carbonyl}. [1913… …   The Collaborative International Dictionary of English

• phosgene — phos gene (f[o^]s j[=e]n or f[o^]z j[=e]n), n. (Chem.) A reactive chemical substance ({COCl2}), also called {carbonyl choride}, used in synthesis of numerous substances. In the First Worlds War it was also used as a poisonous gas in combat. [PJC] …   The Collaborative International Dictionary of English

• phosgene — [fäs′jēn΄] n. [so named (1812) by Sir Humphry Davy < Gr phōs, light (see PHOSPHORUS) + gene, GEN] a colorless, volatile, highly poisonous liquid, COCl2, prepared by the reaction of carbon monoxide with chlorine in the presence of activated… …   English World dictionary

• phosgene — /fos jeen, foz /, n. Chem. a poisonous, colorless, very volatile liquid or suffocating gas, COCl2, a chemical warfare compound: used chiefly in organic synthesis. Also called carbon oxychloride, carbonyl chloride, chloroformyl chloride. [1805 15; …   Universalium

• gas — I (New American Roget s College Thesaurus) n. aeriform or elastic fluid; vapor, fume, reek; air, ether; fuel, gasoline, petrol; bombast, hot air (sl.); gas attack. II (Roget s IV) n. 1. [A state of matter] Syn. vapor, volatile substance, fumes,… …   English dictionary for students

• phosgene — Carbonyl chloride; a colorless liquid below 8.2°C, but an extremely poisonous gas at ordinary temperatures; it is an insidious gas, since it is not immediately irritating, even when fatal concentrations are inhaled; more than 80% of World War I… …   Medical dictionary