Definition of methimazole in US English:

methimazole

noun

Pharmacology
  • An imidazole derivative that interferes with the synthesis of thyroid hormone and is given orally in the treatment of hyperthyroidism; 1-methylimidazole-2-thiol, C₃H₂N₂(CH₃)(SH). [International Nonproprietary Name (1996): thiamazole.]

Origin

1950s; earliest use found in American Journal of the Medical Sciences. From meth- (in methyl: see note s.v. meth-) + im- and -azole.

Pronunciation

methimazole

/mɪˈθɪməzəʊl/