Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A white crystalline compound, C4H4N2OS, that interferes with the synthesis of thyroxine, used to reduce the action of the thyroid gland, especially in the treatment of hyperthyroidism.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a class of heterocycles based on 2-thioxo-1H-pyrimidin-4-one; the parent compound interferes with the synthesis of thyroxine and is used in the treatment of hyperthyroidism

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. depresses the function of the thyroid gland

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