D defs.my
Entry 1 sense Webster, 1913

Dithionic

· Di·thi·on·ic · IPA
01 a. Containing two equivalents of sulphur; as, dithionic acid.
  1. 1.
    Containing two equivalents of sulphur; as, dithionic acid.(Chem.)
Phrases & compounds
Dithionic acid — an unstable substance, H2S2O6, known only in its solutions, and in certain well-defined salts.