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disulfide

American  
[dahy-suhl-fahyd, -fid] / daɪˈsʌl faɪd, -fɪd /
Or disulphide

noun

Chemistry.
  1. (in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS 2 .

  2. (in organic chemistry) a sulfide containing the bivalent group −SS−, as diethyl disulfide, C 4 H 10 S 2 .


Etymology

Origin of disulfide

First recorded in 1860–65; di- 1 + sulfide


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Schmidt had previously engineered mice whose liver cells separately lacked one or the other of the two main disulfide reductases.

From Science Daily ● Sep. 25, 2026

When the usual disulfide reductase pathway is unavailable, this backup mechanism breaks an adjacent carbon sulfur bond within cystine.

From Science Daily ● Sep. 25, 2026

In April 2025, researchers reported possible traces of molecules called dimethyl sulfide and/or dimethyl disulfide.

From Science Daily ● Sep. 9, 2026

The Gaharwar Lab is among a small number of research groups investigating how molybdenum disulfide might be used for biomedical purposes.

From Science Daily ● Nov. 27, 2025

Xanthophyll differs markedly from carotin in its solubilities, being insoluble in petroleum ether and only sparingly soluble in carbon disulfide.

From The Chemistry of Plant Life by Roscoe Wilfred Thatcher

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