Definition of paracyanogen in English:

paracyanogen

Pronunciation /ˌparəsʌɪˈanədʒ(ə)n/

noun

Chemistry
  • A solid polymer of cyanogen formed in small quantities when cyanogen is prepared, e.g. by heating mercury(ii) cyanide.

Origin

Mid 19th century; earliest use found in George Fownes (1815–1849), chemist. From para- + cyanogen.