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methimazole

American  
[me-thim-uh-zohl, -thahy-muh-] / mɛˈθɪm əˌzoʊl, -ˈθaɪ mə- /

noun

Pharmacology.
  1. a white crystalline substance, C 4 H 6 N 2 S, that inhibits thyroxin synthesis, used in the treatment of hyperthyroidism.


Etymology

Origin of methimazole

meth(yl) + im(id)azole