Standard Lemma guide

sulfonyl

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 bivalent radical or functional group -SO2-

Definition source: English Wiktionary via Wiktextract

Topics: 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 univalent radical derived from a sulfonic acid

Definition source: English Wiktionary via Wiktextract

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 English sulfonic Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English sulfonyl From sulfonic + -yl.

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Cantonese: 磺酰基 (wong4 sin1 gei1) — functional group
  • Chinese Mandarin: 磺酰基 (huángxiānjī) — functional group
  • Japanese: スルホニル基 (suruhoniru-ki) — functional group
  • Korean: 설포닐기 (seolponilgi) — functional group
  • Chinese Cantonese: 磺酰基 (wong4 sin1 gei1) — any univalent radical derived from a sulfonic acid
  • Chinese Mandarin: 磺酰基 (huángxiānjī) — any univalent radical derived from a sulfonic acid
  • Japanese: スルホニル基 (suruhoniru-ki) — any univalent radical derived from a sulfonic acid
  • Korean: 설포닐기 (seolponilgi) — any univalent radical derived from a sulfonic acid