• synonyms


[im-id-az-ohl, -id-uh-zohl]
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noun Chemistry.
  1. a colorless, crystalline, water-soluble, heterocyclic compound, C3H4N2, used chiefly in organic synthesis.
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Origin of imidazole

First recorded in 1890–95; imide + azole
Also called glyoxaline.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for imidazole


  1. Also called: glyoxaline, iminazole a white crystalline basic heterocyclic compound; 1,3-diazole. Formula: C 3 H 4 N 2
  2. any substituted derivative of this compound
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Word Origin

C19: from imide + azole
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

imidazole in Medicine


  1. An organic crystalline base that is an inhibitor of histamine.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.