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yohimbine

[yoh-him-been]
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noun Pharmacology.
  1. an alkaloid, C21H26N2O3, extracted from the bark of Corynanthe johimbe or Rauwolfia serpentina, used as a selective alpha-adrenergic receptor antagonist: purported to have aphrodisiac properties.
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Origin of yohimbine

1895–1900; yohimb(e) + -ine2; perhaps orig. formed in German
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for yohimbine

yohimbine

noun
  1. an alkaloid found in the bark of the tree Corynanthe yohimbe. It is used in medicine as an adrenergic blocking agent. Formula: C 21 H 26 N 2 O 3
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Word Origin

C19: from Bantu yohimbé a tropical African tree + -ine 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012