Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{chemistry}} A ketone-like compound in which the oxygen is replaced by sulfur, having the general formula R<sub>2</sub>C=SNgram: thioneNgram Text: thioneSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1