coumarin

/'ku:mәrin/

现代语料频率: 46283

中文翻译

n. 香豆素, 氧杂萘邻酮

[化] 香豆素1,2-氧萘酮

英文解释

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.

常见例句

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.

It is analogous to coumarin

Called also hydroxy-coumarin.