yohimbine

yohimbine

[yoh-him-been]
noun Pharmacology.
an alkaloid, C 21 H 26 N 2 O 3 , extracted from the bark of Corynanthe johimbe or Rauwolfia serpentina, used as a selective alpha-adrenergic receptor antagonist: purported to have aphrodisiac properties.

Origin:
1895–1900; yohimb(e) + -ine2; perhaps orig. formed in German

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yohimbine (jəʊˈhɪmbiːn)
 
n
an alkaloid found in the bark of the tree Corynanthe yohimbe. It is used in medicine as an adrenergic blocking agent. Formula: C21H26N2O3
 
[C19: from Bantu yohimbé a tropical African tree + -ine1]

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