Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{organic compound}} The unsaturated nitrile (N?C)<sub>2</sub>C=C(C?N)<sub>2</sub> used in the manufacture of dyesNgram: tetracyanoethyleneNgram Text: tetracyanoethyleneSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1