SULPHIDE

sulfide, sulphide

(noun) a compound of sulphur and some other element that is more electropositive

Source: WordNet® 3.1

Etymology 1

Noun

sulphide (plural sulphides)

(British spelling, chemistry) Alternative spelling of sulfide

Etymology 2

Noun

sulphide (plural sulphides)

A kind of clear marble with a small statuette or figure inside.

Source: Wiktionary

Sul"phide, n. (Chem.)

Definition: A binary compound of sulphur, or one so regarded; -- formerly called sulphuret. Double sulphide (Chem.), a compound of two sulphides.

– Hydrogen sulphide. (Chem.) See under Hydrogen.

– Metallic sulphide, a binary compound of sulphur with a metal.

Source: Webster’s Unabridged Dictionary 1913 Edition