thiouracil: Meaning and Definition of

thi•o•u•ra•cil

Pronunciation: (thī"ō-yoor'u-sil), [key]
— n. Pharm.
  1. a white, slightly water-soluble, bitter, crystalline powder CHNOS, used chiefly in treating hyperthyroidism by reducing the activity of the thyroid gland.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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