'Dithionic acid' definitions:

Definition of 'Dithionic acid'

From: GCIDE
  • Dithionic \Di`thi*on"ic\, a. [Pref. di- + -thionic.] (Chem.) Containing two equivalents of sulphur; as, dithionic acid. [1913 Webster]
  • Dithionic acid (Chem.), an unstable substance, H2S2O6, known only in its solutions, and in certain well-defined salts. [1913 Webster]

Definition of 'dithionic 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]