Chem. Also sulf-, sulph-hydrate. [f. SULPH- + HYDRATE sb., after F. sulfhydrale.] A salt of sulphydric acid or hydrogen sulphide; a compound of a metallic atom or radical with the group SH; a hydrosulphide.
1852. trans. Regnaults Elem. Chem., II. 539. Sulfhydrate of sulphide of potassium KS, HS.
1859. Mayne, Expos. Lex., 1226/2. Sulphhydrate, term for a genus of salts resulting from the combination of hydric sulphide with sulphobases.
1868. Fownes Elem. Chem. (ed. 10), 223. Alkaline sulph-hydrates.
1881. Athenæum, 29 Jan., 169/1. Sulphydrate of Potassium.