yohimbine
/jəʊˈhɪmbiːn/noun
mass noun
1- Chemistry a toxic crystalline compound obtained from the bark of the yohimbe tree, used as an adrenergic blocking agent and also as an aphrodisiac in the treatment of impotence【化】育亨宾（宁碱）。
1.1
- An alkaloid; chem. formula: C21H26O3N2.一种生物碱, 化学方程式：C21H26O3N2.
词源
late 19th cent.: from YOHIMBE+ -INE4.