methylthiouracil

noun
meth·​yl·​thio·​ura·​cil | \ -ˌthī-ō-ˈyu̇r-ə-ˌsil How to pronounce methylthiouracil (audio) \

Medical Definition of methylthiouracil

: a crystalline compound C5H6N2OS used in the suppression of hyperactivity of the thyroid

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