Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{organic chemistry|especially in combination}} The divalent radical (CH<sub>2</sub>)<sub>2</sub>C=Ngram: isopropylideneNgram Text: isopropylideneSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryespecially in combinationNgram Count: 1