Submitted by György Chityil ... on Fri, 01/19/2018 - 22:00 Hierarchy: NounDescription: {{organic chemistry|especially in combination}} A radical derived from cyclopenteneNgram: cyclopentenylNgram Text: cyclopentenylSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryespecially in combinationNgram Count: 1