disulfide

or di·sul·phide

[ dahy-suhl-fahyd, -fid ]

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 .

Word History and Origins

Origin of disulfide¹

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

Example Sentences

Silicon is a better semiconductor, as electrical currents encounter more resistance in molybdenum disulfide, but when gate lengths dip below five nanometers, electrons leak across the gates in silicon transistors.

From Singularity Hub 

They accomplished that by introducing disulfide linker molecules to the tape material.

From MIT Technology Review

John Goodenough, now a professor at the University of Texas at Austin, used cobalt oxide rather than titanium disulfide to develop a cathode that could store more energy.

From MIT Technology Review

The others are stabilized by strong disulfide bonds that lock their protein molecules into a stable fold.

From Quanta Magazine

For hot wax, I’ve been using Molten Speed Wax but plan to try Silca’s Super Secret Chain Blend, which uses a different metal disulfide that the company claims results in lower friction than any other lubricant and lasts longer.

From Outside Online