coumarin
/ˈkuːmərɪn/noun
mass noun
1- Chemistry a vanilla-scented compound found in many plants, formerly used for flavouring food【化】香豆素; 氧杂萘邻酮。
1.1
- A bicyclic ketone; chem. formula: C9H6O2.一种双环酮; 化学分子式： C9H6O2.
1.2
- count noun any derivative of this香豆素的任何一种衍生物。
词源
mid 19th cent.: from French coumarine, from coumarou, via Portuguese and Spanish from Tupi cumarú. 'tonka bean'.