D defs.my
Entry 1 sense Webster, 1913

Persulphocyanic

· Per·sul·pho·cy·an·ic · IPA
01 a. Pertaining to, or designating, a yellow crystalline substance (called also perthiocyanic acid), analogous to sulphocyanic acid, but contain…
  1. 1.
    Pertaining to, or designating, a yellow crystalline substance (called also perthiocyanic acid), analogous to sulphocyanic acid, but containing more sulphur.(Chem.)