Hy̆'po-sul-phŭ'ric, a.

a. [Prefix hypo and sulphuric, q. v.; Fr. hyposulfurique.] (Chem.) Composed of sulphur and an inferior quantity of oxygen; as, hyposulphuric acid, an acid having less oxygen than the sulphuric acid, and found only in combination with water as a heavy, transparent, inodorous fluid.