thiosulphate Meaning, Definition & Usage
Thi`o*sul"phate noun
Definitions
(Chem.) A salt of thiosulphuric acid; -- formerly called hyposulphite .✍ 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.
