coumarin
/'ku:mәrin/
📖 中文释义
- n. 香豆素, 氧杂萘邻酮
- [化] 香豆素1,2-氧萘酮
📘 English Definition（英文释义）
- n. The concrete essence of the tonka bean, the fruit of
- Dipterix (formerly Coumarouna) odorata and consisting essentially of
- coumarin proper, which is a white crystalline substance, C9H6O2, of
- vanilla-like odor, regarded as an anhydride of coumaric acid, and used
- in flavoring. Coumarin in also made artificially.