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]