from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
- noun organic chemistry Any of a class of
heterocyclesbased on 2-thioxo-1H-pyrimidin-4-one; the parent compound interferes with the synthesis of thyroxineand is used in the treatment of hyperthyroidism
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun depresses the function of the thyroid gland
Sorry, no etymologies found.
By altering the nucleotide analog 4-thiouracil, the UPRT enzyme caused RNA to become tagged with thiouracil (TU), allowing the "TU-tagged" RNA to be purified from untagged RNA.