• synonyms


[sing-kuh-niz-uh m, sin-]
noun Pathology.
  1. poisoning by any of the cinchona alkaloids, characterized by headache, deafness, and ringing in the ears.
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Origin of cinchonism

First recorded in 1855–60; cinchon(a) + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cinchonism


  1. a condition resulting from an excessive dose of cinchona bark or its alkaloids, characterized chiefly by headache, ringing in the ears, and vomiting
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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