英语词汇“coumarin”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	coumarin
释义	WordReference Random House Unabridged Dictionary of American English © 2024 cou•ma•rin (ko̅o̅′mə rin),USA pronunciation n. Chemistrya fragrant crystalline substance, C₉H₆O₂, obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery. `Also, cumarin.` Tupi cumaru) + -ine -in² Portuguese Spanish cumarú French coumarine, equivalent. to coumar(ou) tonka-bean tree ( 1820–30 Collins Concise English Dictionary © HarperCollins Publishers:: coumarin, cumarin /ˈkuːmərɪn/ n a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C₉H₆O₂ Etymology: 19th Century: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi
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更新时间：2024/9/20 14:30:34