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单词 alkyl
释义

Definition of alkyl in English:

alkyl

noun ˈalkʌɪlˈalkɪlˈalk(ə)l
Chemistry
  • as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom.

    〔化〕烃基

    alkyl halides
    Example sentencesExamples
    • In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group.
    • Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction.
    • As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases.
    • This produces the second electrophile, the positively charged alkyl group.
    • The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group.

Origin

Late 19th century: German, from Alkohol 'alcohol' + -yl.

Definition of alkyl in US English:

alkyl

nounˈalk(ə)l
Chemistry
  • as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom.

    〔化〕烃基

    alkyl halides
    Example sentencesExamples
    • This produces the second electrophile, the positively charged alkyl group.
    • As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases.
    • Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction.
    • In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group.
    • The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group.

Origin

Late 19th century: German, from Alkohol ‘alcohol’ + -yl.

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更新时间:2025/6/18 10:24:40