Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{archaic|chemistry}} A terpene extracted from the seeds of the Japanese prickly ash, ''Xanthoxylum pipertium''.Ngram: xanthoxyleneNgram Text: xanthoxyleneSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1