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单词 quinoline
释义

Definition of quinoline in English:

quinoline

noun ˈkwɪnəliːnˈkwɪnəlɪn
mass nounChemistry

  • A pungent oily liquid present in coal tar.

    〔化〕喹啉，氮（杂）萘

    A heteroaromatic compound with fused benzene and pyridine rings; chemical formula: C₉H₇N

    Example sentencesExamples
    • The most important chemical classes of these so-called auxin herbicides include chlorophenoxy acids, benzoic acids, pyridines, and quinoline carboxylic acids.

Origin

Mid 19th century: from Spanish quina (see quinine) + -ol + -ine4.

Definition of quinoline in US English:

quinoline

nounˈkwinəlinˈkwɪnəlɪn
Chemistry

  • A pungent oily liquid present in coal tar and bone oil.

    〔化〕喹啉，氮（杂）萘

    A heteroaromatic compound with fused benzene and pyridine rings; chemical formula: C₉H₇N

    Example sentencesExamples
    • The most important chemical classes of these so-called auxin herbicides include chlorophenoxy acids, benzoic acids, pyridines, and quinoline carboxylic acids.

Origin

Mid 19th century: from Spanish quina (see quinine) + -ol + -ine.
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更新时间：2024/12/27 21:06:29