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词汇 indigotin
释义

Definition of indigotin in English:

indigotin

noun ˌɪndɪˈɡəʊtɪnɪnˈdɪɡətɪn
mass nounChemistry

  • A dark blue crystalline compound which is the main constituent of the dye indigo.

    〔化〕靛青，靛蓝

    Chemical formula: (C₈H₆N0)₂

    Example sentencesExamples
    • The indican is oxidized to form the deep blue indigotin.
    • Indigotin (from woad) was used in conjunction with other dyes to produce several purples (with madder) and a green (with the unidentified yellow).
    • In 15 samples, carminic acid was found in combination with indigotin.

Origin

Mid 19th century: from indigo + -t- (for ease of pronunciation) + -in1.

Definition of indigotin in US English:

indigotin

noun
Chemistry

  • A dark blue crystalline compound which is the main constituent of the dye indigo.

    〔化〕靛青，靛蓝

    Chemical formula: (C₈H₆NO)₂

    Example sentencesExamples
    • In 15 samples, carminic acid was found in combination with indigotin.
    • The indican is oxidized to form the deep blue indigotin.
    • Indigotin (from woad) was used in conjunction with other dyes to produce several purples (with madder) and a green (with the unidentified yellow).

Origin

Mid 19th century: from indigo + -t- (for ease of pronunciation) + -in.
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