halon

英 [ˈheɪlɒn] 美 [ˈheɪlɑːn]

n.  卤化烷(常用以灭火)

复数：halons

BNC.29892 / COCA.41658

牛津词典

noun

  1. 卤化烷（常用以灭火）
    a gas that is made up of carbon and one or more halogens , used especially to stop fires
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    英英释义

    noun

    1. a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms

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