Persulphocyanogen is a 17 letter word which starts with the letter P and ends with the letter N for which we found 1 definitions.
Definition |
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(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. |