thiouracil

T1H4I1O1U1R1A1C3I1L1

noun

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

OriginEnglish uracil ← Ancient Greek θεῖον (theîon) ← Proto-Indo-European *dʰewh₂-der.? →
Scrabble 15
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Meanings

nounthiouracil (plural thiouracils)

plural thiouracils

  1. chemistryAny 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

Origin

  1. Proto-Indo-European*dʰewh₂-der.?
  2. Ancient Greekθέειον (théeion)
  3. Ancient Greekθεῖον (theîon)
  4. Englishthio-
  5. Englishuracil
  6. Englishthiouracil

From thio- + uracil.

Full word history & related roots →

Translations

Italian tiouracile
  • tiouracileTranslations
Cite this entry
APA

thiouracil. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thiouracil

MLA

“thiouracil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thiouracil. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “thiouracil,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thiouracil.

Source: thiouracil on Wiktionary, CC BY-SA 4.0.