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单词 phosgene
释义

WordReference Random House Unabridged Dictionary of American English © 2024
phos•gene  (fosjēn, foz-),USA pronunciation n. [Chem.]
  1. Chemistrya 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. 
  • Greek phôs light (contraction of pháos) + -genēs -gen
  • 1805–15

Collins Concise English Dictionary © HarperCollins Publishers::
phosgene /ˈfɒzdʒiːn/ n
  1. a colourless easily liquefied poisonous gas, carbonyl chloride, with an odour resembling that of new-mown hay: used in chemical warfare as a lethal choking agent and in the manufacture of pesticides, dyes, and polyurethane resins. Formula: COCl2
Etymology: 19th Century: from Greek phōs light + -gene, variant of -gen
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