单词 | piperonal |
释义 | piperonal/pɪˈpɛrənal/ /pʌɪˈpɛrənal/Chemistry noun A crystalline bicyclic aldehyde obtained synthetically and from certain flowers and used in perfumery and flavourings; 1,3-benzodioxole-5-carboxaldehyde, (OCH2O)H3C6CHO. OriginMid 19th century; earliest use found in Chemical News. From German Piperonal from Piper- (in Piperin) + -on + -al. |
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