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quinidine

[kwin-i-deen, -din] /ˈkwɪn ɪˌdin, -dɪn/
noun, Pharmacology.
1.
a colorless, crystalline alkaloid, C 2 0 H 2 4 N 2 O 2 , isomeric with quinine, obtained from the bark of certain species of cinchona trees or shrubs, used chiefly to regulate heart rhythm and to treat malaria.
Origin of quinidine
1830-1840
First recorded in 1830-40; quin(ine) + -id3 + -ine2
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for quinidine

quinidine

/ˈkwɪnɪˌdiːn/
noun
1.
a crystalline alkaloid drug that is an optically active diastereoisomer of quinine: used to treat heart arrhythmias. Formula: C20H24N2O2
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
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quinidine in Medicine

quinidine quin·i·dine (kwĭn'ĭ-dēn')
n.
A colorless crystalline alkaloid that is a stereoisomer of quinine and is used as a treatment for malaria and cardiac arrhythmias.

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