/me'treuh nuy"deuh zohl'/ , n. Pharm.
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.
[ 1960-65; contr. of 2-methyl-5-nitroimidazole part of the chemical name ]