Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{organic chemistry|in combination}} A substituent having a sulfur atom joined to an alkene groupNgram: thienoNgram Text: thienoSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryNgram Count: 1