'Hyposulphite' definitions:

Definition of 'Hyposulphite'

From: GCIDE

Hyposulphite \Hy`po*sul"phite\, n. (Chem.) (a) A salt of what was formerly called hyposulphurous acid; a thiosulphate. [Obs.] (b) A salt of hyposulphurous acid proper. [1913 Webster]

Definition of 'hyposulphite'

From: GCIDE

Thiosulphate \Thi`o*sul"phate\, n. (Chem.) A salt of thiosulphuric acid; -- formerly called hyposulphite. [1913 Webster]
Note: 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]

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