'Hyposulphuric acid' definitions:
Definition of 'Hyposulphuric acid'
From: GCIDE
- Hyposulphuric \Hy`po*sul*phur"ic\, a. [Pref. hypo- + sulphuric.] (Chem.) Pertaining to, or containing, sulphur in a lower state of oxidation than in the sulphuric compounds; as, hyposulphuric acid. [1913 Webster]
- Hyposulphuric acid, an acid, H2S2O6, obtained by the action of manganese dioxide on sulphur dioxide, and known only in a watery solution and in its salts; -- called also dithionic acid. See Dithionic. [1913 Webster]