Sulfonium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    the univalent H₃S⁺ cation, derived from sulfane countable, uncountable
  2. 2
    any derivative of this cation in which one or more hydrogen atoms are replaced by organic radicals countable, uncountable

Etymology

From sulfo- + onium.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.