Dictionary.net

A compound, analogous to a hydrate, regarded as a salt of sulphydric acid, or as a derivative of hydrogen sulphide in which one half of the hydrogen is replaced by a base (as potassium sulphydrate, KSH), or as a hydrate in which the oxygen has been wholly or partially replaced by sulphur.

A compound of a base with the univalent radicle Sulphydryl, SH; a hydrate in which sulphur replaces oxygen.

See hydrosulphid.

A compound of a metal or radicle with the univalent radicle (SH).