sulfonium

S1U1L1F4O1N1I1U1M3

noun

the univalent H₃S⁺ cation, derived from sulfane

OriginEnglish onium ← New Latin ammōnium ← Middle English sulphur →
Scrabble 14
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Meanings

nounsulfonium (countable and uncountable, plural sulfoniums)

plural sulfoniums · alternative sulphonium

  1. countableuncountablechemistrythe univalent H₃S⁺ cation, derived from sulfane
  2. countableuncountablechemistryany derivative of this cation in which one or more hydrogen atoms are replaced by organic radicals

Origin

  1. Latinsulpur
  2. Latinsulfur
  3. Latinsulphur
  4. Anglo-Normansulfre
  5. Middle Englishsulphur
  6. Englishsulfur
  7. Englishsulfo-
  8. New Latinammōnium
  9. Englishammonium
  10. Englishonium
  11. Englishsulfonium

From sulfo- + onium.

Full word history & related roots →

Translations

Italian solfonio
  • solfonioTranslations

Rhymes & wordplay

Anagrams

fulminousfluminous
Cite this entry
APA

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

MLA

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

Chicago

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

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