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词汇 indole
释义

Definition of indole in English:

indole

noun ˈɪndəʊlˈɪndoʊl
mass nounChemistry
  • A crystalline organic compound with an unpleasant odour, present in coal tar and in faeces.

    〔化〕吲哚

    A heteroaromatic compound with fused benzene and pyrrole rings; chemical formula: C₈H₇N

    Example sentencesExamples
    • The absorbance band is narrowest for 3-methyl indole in pentane.
    • We previously observed the same rate of scavenging of solvated electrons by protons in ultrafast experiments on indole under conditions of comparable ionic strength.
    • This result can be explained assuming that the displacement of the cationic indole toward the water pool is not complete.
    • For instance, the substance indole, which comes from coal tar and animal feces, actually smells like jasmine at its detection threshold.
    • Members of the family produce latex, diverse iridoids, cardioglycosides, and various alkaloids (notably indole and steroid groups), sometimes cyanogenic, rarely saponiferous.

Origin

Mid 19th century: blend of indigo (because obtained artificially from indigo blue) and Latin oleum 'oil'.

Definition of indole in US English:

indole

nounˈindōlˈɪndoʊl
Chemistry
  • A crystalline organic compound with an unpleasant odor, present in coal tar and in feces.

    〔化〕吲哚

    A heteroaromatic compound with fused benzene and pyrrole rings; chemical formula: C₈H₇N

    Example sentencesExamples
    • We previously observed the same rate of scavenging of solvated electrons by protons in ultrafast experiments on indole under conditions of comparable ionic strength.
    • The absorbance band is narrowest for 3-methyl indole in pentane.
    • This result can be explained assuming that the displacement of the cationic indole toward the water pool is not complete.
    • Members of the family produce latex, diverse iridoids, cardioglycosides, and various alkaloids (notably indole and steroid groups), sometimes cyanogenic, rarely saponiferous.
    • For instance, the substance indole, which comes from coal tar and animal feces, actually smells like jasmine at its detection threshold.

Origin

Mid 19th century: blend of indigo (because obtained artificially from indigo blue) and Latin oleum ‘oil’.

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