Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: NounDescription: {{chemistry}} any carbene in which the carbenic carbon is attached to another atom with a double bond R<sub>2</sub>C=C''':'''Ngram: vinylideneNgram Text: vinylideneSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1
