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Meaning of methimazole

meth•im•a•zole

Pronunciation: (me-thim'u-zōl", -thī'mu-), [key]
— n. Pharm.
  1. a white crystalline substance, CHNS, that inhibits thyroxin synthesis, used in the treatment of hyperthyroidism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.