Submitted by György Chityil ... on Sat, 01/20/2018 - 01:06 Hierarchy: NounDescription: {{chemistry}} A sulfone, derived from acetone and ethyl mercaptan, that is used as a mild hypnoticNgram: sulfonalNgram Text: sulfonalSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1