cyanogen

== English == === Etymology === From cyano- +‎ -gen; compare French cyanogène. So called because it produced blue dyes. === Pronunciation === IPA(key): /saɪˈæn.ə.d͡ʒɪn/ === Noun === cyanogen (countable and uncountable, plural cyanogens) (organic chemistry) The pseudohalogen (CN)2; a colorless, poisonous gas used as a rocket propellant, an insecticide and in chemical warfare. Synonyms: ethanedinitrile, oxalonitrile, dicyanogen, nitriloacetonitrile (inorganic chemistry, organic chemistry) The radical -CN. ==== Derived terms ==== ==== Translations ====