a. Chem. Also sulf-, sulph-hydric. [f. SULPH- + HYDRIC, after F. sulfhydrique.] = SULPHURETTED. Sulphydric acid (gas): hydrogen sulphide, sulphuretted hydrogen. Sulphydric ether (see quot. 1852).
1838. Proc. Amer. Philos. Soc., I. 84. Sulphydric acid produced a slight discoloration.
1842. Civil Eng. & Arch. Jrnl., V. 137/2. He had succeeded in depriving gas … of its ammonia and its sulph-hydric acid.
1852. trans. Regnault’s Elem. Chem., II. 538. Sulfhydric Ether C4H5S … is prepared by passing chlorohydric ether through an alcoholic solution of monosulphide of potassium.
