- Xanthoxylum pipertium
- Xanthoxylene Xan*thox"y*lene, n. [See {Xanthoxylum}.] (Chem.) A liquid hydrocarbon of the terpene series extracted from the seeds of a Japanese prickly ash ({Xanthoxylum pipertium}) as an aromatic oil. [1913 Webster]
The Collaborative International Dictionary of English. 2000.