disulfide.
A functional group with two sulfur atoms bonded to one another, described by the following formula: R–S–S–R'.
Meaning & usage
A functional group with two sulfur atoms bonded to one another, described by the following formula: R–S–S–R'.
The anion ⁻S–S⁻.
A binary compound of sulfur and another element in the ratio 2:1 (formula XS₂).
Where this word comes from
Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- Latin sulpur Latin sulfur Latin sulphur Anglo-Norman sulfrebor. Middle English sulphur English sulf(ur) English -ide English sulfide English disulfide From di- + sulfide.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.