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单词 Lewis base
释义

Definition of Lewis base in English:

Lewis base

nounˈluːɪs ˌbeɪs
Chemistry

  • A compound or ionic species which can donate an electron pair to an acceptor compound.

    〔化〕路易斯碱

    Example sentencesExamples
    • In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.
    • In both cases, the ammonia molecule is acting as a Lewis base, donating the pair of electrons required to form the coordinate covalent bond.

Origin

1960s: named after G. N. Lewis (see Lewis acid).

Definition of Lewis base in US English:

Lewis base

noun
Chemistry

  • A compound or ionic species which can donate an electron pair to an acceptor compound.

    〔化〕路易斯碱

    Example sentencesExamples
    • In both cases, the ammonia molecule is acting as a Lewis base, donating the pair of electrons required to form the coordinate covalent bond.
    • In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.

Origin

1960s: named after G. N. Lewis (see Lewis acid).
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更新时间：2025/7/4 23:21:58