Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{chemistry}} any compound having a hydroxyl group directly attached to an acetylene group; they are tautomeric with ketenesNgram: ynolNgram Text: ynolSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1