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.

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

From Salon • May 27, 2025

Yiling Yu, a member of Xiao's research team, grew isotopically pure 2D crystals of atomically thin molybdenum disulfide using molybdenum atoms of different masses.

From Science Daily • May 3, 2024

While sulfide-based solid electrolytes are conductive, they react with moisture to form toxic hydrogen disulfide.

From Science Daily • Apr. 2, 2024

The UAB researchers were able to cleave four interchain disulfide bonds in the trastuzumab IgG1 hinge and near hinge regions, creating thiol groups.

From Science Daily • Jan. 3, 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