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

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

"Unexpectedly, the light from the molybdenum disulfide with the heavier molybdenum atoms was shifted farther to the red end of the spectrum, which is opposite to the shift one would expect for bulk materials," Xiao said.

From Science Daily

To prove the anomalous isotope effect and measure its magnitude to compare with theoretical predictions, Yu grew molybdenum disulfide crystals with two molybdenum isotopes in one crystal.

From Science Daily

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

From Science Daily

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

From Science Daily