Wiktionary
n. (alternative spelling of from=US lang=en disulphide)
WordNet
Wikipedia
In chemistry and biology a disulfide refers to a functional group with the general structure R–S–S–R'. The linkage is also called an SS-bond or a disulfide bridge and is usually derived by the coupling of two thiol groups. In formal terms, the connection is a persulfide, in analogy to its congener, peroxide (R–O–O–R'), but this terminology is rarely used, except in reference to hydrodisulfides (R–S–S–H or H–S–S–H compounds).
In inorganic chemistry disulfide usually refers to the corresponding anion (S–S), for example in disulfur dichloride.
A selection of disulfidesPyrite-unit-cell-3D-balls.png
Disulfur-dichloride-3D-balls.png
Cystine-3D-balls.png
Lipoic-acid-3D-balls.png
Diphenyl-disulfide-from-xtal-3D-balls.png
FeS unit cell
SCl
PhS
Usage examples of "disulfide".
Mixed with organic solvents like carbon disulfide or benzene, it can be very toxic.
There was also an abundance of sulfur vapor, as well as carbon disulfide and sulfur dioxide.
Perhaps her own life was somewhat prolonged by this removal of the irritating stench of diallyl disulfide and trisulfide and the rest, but Lucy's was thought—by the doctors, at least—to suffer.
In vulcanized rubber, the polyisoprene chains are cross-linked by disulfide bonds.