Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: NounDescription: {{chemistry}} An azulene, 4,8-dimethyl-2-isopropylazulene, obtained from vetiver oil.Ngram: vetivazuleneNgram Text: vetivazuleneSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1