Sŭl'pho-cy-ā'n'ic, a.

a. [Fr. sulfocyanique, from Lat. sulfur, sulphur, brimstone, sulphur, and Fr. cyanique, Eng. cyanic, q. v.] (Chem.) Of, pertaining to, or containing, sulphur and cyanogen, or derived from sulpho-cyanogen;—said of an acid consisting of one equivalent of sulpho-cyanogen and one of hydrogen.