n. [ Pref. bi- + sulphate. ] (Chem.) A sulphate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate. [ 1913 Webster ]
n. [ Pref. di- + sulphate. ] (Chem.)
n. (Chem.) Same as Hydrosulphurent. [ 1913 Webster ]
n. (Chem.) A salt of hyposulphuric acid. [ 1913 Webster ]
n. (Chem.) A sulphate of the peroxide of any base. [ R. ] [ 1913 Webster ]
n. (Chem.) A salt of pyrosulphuric acid. [ 1913 Webster ]
. A salt well known as a catharic under the name of
n. (Chem.) A sulphate with an excess of the base. [ 1913 Webster ]
n. [ NL. sulphas, sulphatis, fr. L. sulphur, sulfur, brimstone, sulphur: cf. F. sulfate. ] (Chem.) A salt of sulphuric acid. [ 1913 Webster ]
n. (Chem.) An acid sulphate. [ Obs. ] [ 1913 Webster ]
n. (Chem.) A salt of thiosulphuric acid; -- formerly called
☞ The sodium salt called in photography by the name sodium hyposulphite, being used as a solvent for the excess of unchanged silver chloride, bromide, and iodide on the sensitive plate. [ 1913 Webster ]