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EnglishTHE SCHOLAR'S LEXICON

coumarin

/koo-muh-rin/US // ˈku mə rɪn //UK // (ˈkuːmərɪn) //

香豆素,香豆精,香茅素,薰衣草苷

Definitions

n.名词 noun
  1. 1
    • : a fragrant crystalline substance, C9H6O2, obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery.

Examples

  • If coumarin is present, a brown, precipitate will form, and if stirred with a rod it will collect in dark green flecks.

  • Good hay should come out green and with the odour of coumarin—to which is due the scent of new-mown hay.

  • We may here include various coumarin and benzo-γ-pyrone derivatives.

  • Coumarin, an extract from tonka beans, may be used in making the extract.

  • Coumarin, a white crystalline product found in Tonka beans, and prepared synthetically from salicylic acid.

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