Word Study
persulphocyanogen
CIDE DICTIONARY
persulphocyanogen, n.
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]
For further exploring for "persulphocyanogen" in Webster Dictionary Online