cyanogen
noun
- chemical compound
Wiktionary
Pronunciation: /saɪˈæn.ə.d͡ʒɪn/
noun
Etymology: From cyano- + -gen; compare French cyanogène. So called because it produced blue dyes.
- The pseudohalogen (CN)₂; a colorless, poisonous gas used as a rocket propellant, an insecticide and in chemical warfare.
- The radical -CN.