Submitted by György Chityil ... on Sat, 01/20/2018 - 00:52 Hierarchy: NounDescription: {{chemistry}} A polycyclic aromatic hydrocarbon, (5,6,11,12-tetraphenyltetracene), used in chemiluminescence applications.Ngram: rubreneNgram Text: rubreneSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1