disulfide
nounUK, US /daɪˈsʌlfaɪd/
Etymology From di- + sulfide.
1
Chemistry, Natural sciences, Organic chemistry, Physical sciences A functional group with two sulfur atoms bonded to one another, described by the following formula: R–S–S–R'.
2
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences The anion ⁻S–S⁻.
3
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences A binary compound of sulfur and another element in the ratio 2:1 (formula XS₂).
- By analysing data from the James Webb Space Telescope, the researchers found evidence of dimethyl sulfide and dimethyl disulfide in the atmosphere of the planet known as K2-18b. The planet is 124 light-years away; one light-year is equivalent to nearly 6 trillion miles.2025 April 18, “Scientists detect strong evidence of life on an alien planet”, in France 24, archived from the original on 18 Apr 2025:
- Synonyms
- anion −S–S−
- Derived terms
- arsenic disulfide, carbon disulfide, cuprous sulfide, dimethyldisulfide, disulfide bond, disulfide bridge, disulfide of copper, disulfiram, heterodisulfide, homodisulfide, hydrogen disulfide, interdisulfide, intradisulfide, molybdenum disulfide, multidisulfide, oxysulfide, polydisulfide, tetradisulfide, tungsten disulfide