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词汇 anthraquinone
释义

Definition of anthraquinone in English:

anthraquinone

noun ˌanθrəˈkwɪnəʊn-ˈkwēnōn
mass nounChemistry
  • A yellow crystalline compound obtained by oxidation of anthracene. It is the basis of many natural and synthetic dyes.

    〔化〕蒽醌

    Chemical formula: C₁₄H₈O₂

    Example sentencesExamples
    • The appearance of such photochemical by-products as dianthracene and anthraquinone was monitored throughout the irradiation experiments.
    • The new algicide, the subject of a patent application, uses a product derivative based on the natural compound anthraquinone, found in rye grass.
    • The preparation of anthraquinone used in the National Toxicology Program cancer bioassay was contaminated with the mutagen 9-nitroanthracene
    • Their action is due to free anthraquinones, that is to say anthraquinone glycosides called sennosides, of which several types have been identified.
    • Aloe emodin is an anthraquinone derivative similar in structure to the known photodynamic sensitizer hypericin.

Origin

Late 19th century: from anthra(cene) + quinone.

Definition of anthraquinone in US English:

anthraquinone

noun-ˈkwēnōn
Chemistry
  • A yellow crystalline compound obtained by oxidation of anthracene. It is the basis of many natural and synthetic dyes.

    〔化〕蒽醌

    Chemical formula: C₁₄H₈O₂

    Example sentencesExamples
    • The appearance of such photochemical by-products as dianthracene and anthraquinone was monitored throughout the irradiation experiments.
    • The preparation of anthraquinone used in the National Toxicology Program cancer bioassay was contaminated with the mutagen 9-nitroanthracene
    • Aloe emodin is an anthraquinone derivative similar in structure to the known photodynamic sensitizer hypericin.
    • The new algicide, the subject of a patent application, uses a product derivative based on the natural compound anthraquinone, found in rye grass.
    • Their action is due to free anthraquinones, that is to say anthraquinone glycosides called sennosides, of which several types have been identified.

Origin

Late 19th century: from anthra(cene) + quinone.

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