D defs.my
Entry 1 sense Webster, 1913

Thiosulphate

· Thi·o·sul·phate · IPA /θaɪə(ʊ)ˈsʌlfeɪt/
01 n. A salt of thiosulphuric acid; -- formerly called hyposulphite.
  1. 1.
    A salt of thiosulphuric acid; -- formerly called hyposulphite.(Chem.) Also: hyposulphite