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[wah-bah-in] /wɑˈbɑ ɪn/
noun, Pharmacology.
a glycoside occurring as a white, crystalline powder, C 2 9 H 4 4 O 1 2 , obtained from the seeds of a shrub, Strophanthus gratus, or from the wood of trees of the genus Acokanthera, and used in medicine chiefly as a cardiac stimulant.
Also called G-strophanthin.
Origin of ouabain
1890-95; < French ouaba(ïo) (< Somali waabayyo arrow poison) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ouabain


a poisonous white crystalline glycoside extracted from certain trees and used as a heart stimulant and, by some African tribes, on poison darts. Formula: C29H44O12.8H2O
Word Origin
C19: from French ouabaïo, from Somali waba yo native name of tree
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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ouabain in Medicine

ouabain oua·ba·in (wä-bā'ĭn)
A white poisonous glycoside extracted from the seeds of the African trees Strophanthus gratus and Acokanthera ouabaio and used as a heart stimulant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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