Standard Lemma guide

sulfonium

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

the univalent H3S+ cation, derived from sulfane

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any derivative of this cation in which one or more hydrogen atoms are replaced by organic radicals

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Latin sulpur Latin sulfur Latin sulphur Anglo-Norman sulfrebor. Middle English sulphur English sulfur Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English sulfo- New Latin ammōniumbor. English ammonium English onium English sulfonium From sulfo- + onium.

Across languages

Translations

1 source translations are retained for this English entry.

  • Italian: solfonio — Translations