noun Pharmacology.

a synthetic antimicrobial substance, C6H9N3O3, used chiefly in the treatment of infections, such as Trichomonas vaginalis and certain anaerobic bacterial infections.

Origin of metronidazole

First recorded in 1960–65; contraction of 2-methyl-5-nitroimidazole part of the chemical name Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for metronidazole



a pale yellow crystalline compound used to treat vaginal trichomoniasis. Formula: C 6 H 9 N 3 O 3

Word Origin for metronidazole

C20: from me (thyl) + (ni) tro- + -n- + (im) id (e) + 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

metronidazole in Medicine




A synthetic antimicrobial drug used in the treatment of vaginal trichomoniasis and intestinal amebiasis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.