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[me-truh-nahy-duh-zohl] /ˌmɛ trəˈnaɪ dəˌzoʊl/
noun, Pharmacology
a synthetic antimicrobial substance, C 6 H 9 N 3 O 3 , used chiefly in the treatment of infections, such as Trichomonas vaginalis and certain anaerobic bacterial infections.
Origin of metronidazole
1960-65; contraction of 2-methyl-5-nitroimidazole part of the chemical name Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for metronidazole
  • Other antibiotics that are sometimes used include tetracycline, metronidazole, and ciprofloxacin.
  • The antibiotic metronidazole is commonly used to cure the infection.
  • Antibiotics, usually ciprofloxacin or metronidazole, may be used to treat fistulas.
  • The drug metronidazole, commonly used to treat intestinal parasites, is best avoided in the first trimester.
British Dictionary definitions for metronidazole


a pale yellow crystalline compound used to treat vaginal trichomoniasis. Formula: C6H9N3O3
Word Origin
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
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metronidazole in Medicine

metronidazole me·tro·ni·da·zole (mět'rə-nī'də-zōl')
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.
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