Submitted by György Chityil ... on Fri, 01/19/2018 - 23:54 Hierarchy: NounDescription: {{organic chemistry|especially in combination}} Any perfluoro derivative of an alkyl groupNgram: perfluoroalkylNgram Text: perfluoroalkylSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryespecially in combinationNgram Count: 1