| 单词 | coumarin |
| 释义 | Word Frequency coumarin or cumarin (ˈkuːmərɪn) noun a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C9H6O2 Derived forms coumaric (ˈcoumaric) or cumaric (ˈcumaric) or coumarilic (ˌkuːməˈrɪlɪk) adjective Word origin C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi |
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