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yohimbine

American  
[yoh-him-been] / yoʊˈhɪm bin /

noun

Pharmacology.

  1. 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.

yohimbine British  
/ jəʊˈhɪmbiːn /

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

"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

Etymology

Origin of yohimbine

1895–1900; yohimb(e) + -ine 2; perhaps originally formed in German

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Example Sentences

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The men were given laboratory-synthesized yohimbine daily for eight to ten weeks.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.