thiohydantoin

T1H4I1O1H4Y4D2A1N1T1O1I1N1

noun

Any derivative of a hydantoin in which one or both carbonyl oxygen atoms are replaced by sulfur

OriginEnglish hydantoin ← Ancient Greek ᾰ̓λλᾶς (ăllâs) ← French hydrogène →
Scrabble 23
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Meanings

nounthiohydantoin (plural thiohydantoins)

plural thiohydantoins

  1. chemistryAny derivative of a hydantoin in which one or both carbonyl oxygen atoms are replaced by sulfur

Origin

  1. Proto-Indo-European*dʰewh₂-der.?
  2. Ancient Greekθέειον (théeion)
  3. Ancient Greekθεῖον (theîon)
  4. Englishthio-
  5. Proto-Indo-European*wed-
  6. Proto-Indo-European*wódr̥
  7. Proto-Hellenic*údōr
  8. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  9. Ancient Greekὑδρο- (hudro-)
  10. Frenchhydro-
  11. Proto-Indo-European*ǵenh₁-
  12. Proto-Indo-European*ǵénh₁os
  13. Proto-Hellenic*génos
  14. Ancient Greekγένος (génos)
  15. Frenchhydrogène
  16. Englishhydrogen
  17. Englishhydrogenation
  18. Ancient Greekᾰ̓λλᾶς (ăllâs)
  19. Englishallanto-
  20. Englishallantoin
  21. Englishhydantoin
  22. Englishthiohydantoin

From thio- + hydantoin.

Full word history & related roots →
Cite this entry
APA

thiohydantoin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thiohydantoin

MLA

“thiohydantoin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thiohydantoin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “thiohydantoin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thiohydantoin.

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