Perthiocyanogen \Per*thi`o*cy*an"o*gen\, n. (Chem.) Same as {Persulphocyanogen}. [1913 Webster]
Persulphocyanogen \Per*sul`pho*cy*an"o*gen\, n. (Chem.) An orange-yellow substance, produced by the action of chlorine or boiling dilute nitric acid and sulphocyanate of potassium; -- called also {pseudosulphocyanogen}, {perthiocyanogen}, and formerly {sulphocyanogen}. [1913 Webster]