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cinchonine

[sing-kuh-neen, -nin, sin-]
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noun Pharmacology.
  1. a colorless, crystalline, slightly water-soluble alkaloid, C19H22N2O, a stereoisomer of cinchonidine, obtained from the bark of various species of cinchona and used chiefly as a quinine substitute.
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Origin of cinchonine

First recorded in 1815–25; cinchon(a) + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for cinchonine

cinchonine

noun
  1. an insoluble crystalline alkaloid isolated from cinchona bark, used to treat malaria. Formula: C 19 H 22 N 2 O
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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

cinchonine in Medicine

cinchonine

(sĭngkə-nēn′, sĭnchə-)
n.
  1. An alkaloid derived from the bark of various cinchona trees and used as an antimalarial agent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.