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词汇 phosgene
释义

Definition of phosgene in English:

phosgene

noun ˈfɒzdʒiːnˈfɑsdʒin
mass nounChemistry
  • A colourless poisonous gas made by the reaction of chlorine and carbon dioxide. It was used as a poison gas, notably in the First World War.

    光气

    Alternative name: carbonyl chloride; chemical formula: COCl₂

    Example sentencesExamples
    • Now obviously all of that wasn't mustard, a lot of the deaths were actually due to phosgene and chlorine.
    • The primary gaseous agents used were chlorine, phosgene, a combination of the two, and mustard gas.
    • Greenpeace found that perc breaks down into the toxic byproducts phosgene, vinyl chloride, carbon tetrachloride and trichloroacetic acid.
    • However, its immediate precursor compound, thiodiglycol, is used industrially, although in quantities that don't come anywhere near chlorine or phosgene.
    • New agents, notably phosgene (an asphyxiating agent) and mustard (a blister agent called a vesicant), had been developed and used.

Origin

Early 19th century: from Greek phōs 'light' + -gen, with reference to its original production by the action of sunlight on chlorine and carbon monoxide.

Definition of phosgene in US English:

phosgene

nounˈfɑsdʒinˈfäsjēn
Chemistry
  • A colorless poisonous gas made by the reaction of chlorine and carbon monoxide. It was used as a poison gas, notably in World War I.

    光气

    Alternative name: carbonyl chloride; chemical formula: COCl₂

    Example sentencesExamples
    • Greenpeace found that perc breaks down into the toxic byproducts phosgene, vinyl chloride, carbon tetrachloride and trichloroacetic acid.
    • The primary gaseous agents used were chlorine, phosgene, a combination of the two, and mustard gas.
    • However, its immediate precursor compound, thiodiglycol, is used industrially, although in quantities that don't come anywhere near chlorine or phosgene.
    • Now obviously all of that wasn't mustard, a lot of the deaths were actually due to phosgene and chlorine.
    • New agents, notably phosgene (an asphyxiating agent) and mustard (a blister agent called a vesicant), had been developed and used.

Origin

Early 19th century: from Greek phōs ‘light’ + -gen, with reference to its original production by the action of sunlight on chlorine and carbon monoxide.

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