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[klawr-uh-kwin, -kween, klohr-] /ˈklɔr ə kwɪn, -ˌkwin, ˈkloʊr-/
noun, Pharmacology
a synthetic substance, C 18 H 26 ClN 3 , used chiefly to control malaria attacks.
Origin of chloroquine
1945-50; chloro-2 + quin(olin)e Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for chloroquine
  • For centuries, the standard treatment was quinine, and then the chemically related compound chloroquine.
  • chloroquine is often used as an anti-malarial medication.
  • However, chloroquine-resistant infections are common in some parts of the world.
  • There is widespread resistance to standard anti-malaria drugs such as chloroquine or primaquine.
British Dictionary definitions for chloroquine


a synthetic drug administered orally to treat malaria. Formula: C18H26ClN3
Word Origin
C20: from chloro- + quin(oline)
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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chloroquine in Medicine

chloroquine chlo·ro·quine (klôr'ə-kwīn', -kwēn')
An antimalarial also used in the treatment of hepatic amebiasis and certain skin diseases.

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