Submitted by György Chityil ... on Fri, 01/19/2018 - 23:54 Hierarchy: NounDescription: {{organic compound}} Any dinitrile derived from a phthalic acidNgram: phthalonitrileNgram Text: phthalonitrileSource: WiktionaryIssue: 0Wiktionary tag: organic compoundNgram Count: 1