thiol

T1H4I1O1L1
/ˈθaɪˌɒl/

noun

A univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

Similar
mercaptan
OriginEnglish alcohol ← Middle English alcofol ← Medieval Latin alcoho →
UncommonScrabble 8
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounthiol (plural thiols)

plural thiols

  1. chemistryA univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

    Synonyms: mercaptan

Synonyms & antonyms

nounA univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

Similar
mercaptan
Also see
mercapto-

Origin

  1. Proto-Indo-European*dʰewh₂-der.?
  2. Ancient Greekθέειον (théeion)
  3. Ancient Greekθεῖον (theîon)
  4. Englishthio-
  5. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  6. Aramaicכוחלא (kuḥlā)
  7. Arabicكُحْل (kuḥl)
  8. Andalusian Arabicكُحُول (kuḥūl)
  9. Medieval Latinalcoho
  10. Middle Englishalcofol
  11. Englishalcohol
  12. Englishthiol

From thio- + -ol.

Full word history & related roots →

Rhymes & wordplay

Anagrams

lithohilotLohitthoil
Cite this entry
APA

thiol. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thiol

MLA

“thiol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thiol. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “thiol,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thiol.

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