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disulfide

American

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

Or disulphide

noun

Chemistry.

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

This modification occurs through a disulfide bond and differs from the classical process of ubiquitination.

From Science Daily • Jan. 28, 2026

To investigate this behavior, the team used laser beams of various colors on a two-layer Janus TMD material composed of molybdenum sulfur selenide stacked on molybdenum disulfide.

From Science Daily • Nov. 14, 2025

A few of the most prominent of these in A. titanum are oligosulfides like dimethyl disulfide and dimethyl trisulfide.

From Salon • May 27, 2025

To link the two pieces, they used the amino acid cysteine, which binds them together via a disulfide bridge.

From Science Daily • Apr. 8, 2024

Carotin is insoluble in water, only very slightly soluble in acetone or cold alcohol, readily soluble in petroleum ether, ether, chloroform, and carbon disulfide.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023