英语词汇“umbelliferone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	umbelliferone
释义	umbelliferone Chem.\|ʌmbɛˈlɪfərəʊn\| Also -on. [f. prec. + -one.] A colourless, tasteless, crystalline substance obtained from the bark of mezereon, and, by distillation, from various umbellifers. 1868Watts Dict. Chem. V. 938 Umbelliferone forms colourless rhombic prisms, having a faint silky lustre.1876Harley Royle's Mat. Med. (ed. 6) 598 The resin yields oils of a green or purple tint, and about ¹/₄ per cent. of umbelliferone, C₉H₆C₃, which is isomeric with quinone.
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