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xanthoxylin

noun xan·thox·y·lin \ zanˈthäksələ̇n \

Definition of xanthoxylin

plural -s
1 a : a crystalline phenolic ketone C10H12O4 obtained from seeds of a shrubby Chinese tree (Zanthoxylum piperitum)
b : any of several crystalline compounds obtained from the bark of other trees of the genus Zanthoxylum; especially : xanthoxyletin
2 or xanthoxylin extract : a purified alcoholic extract of prickly-ash bark

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Origin and Etymology of xanthoxylin

International Scientific Vocabulary xanthoxyl- (from New Latin Xanthoxylum) + -in

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