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piperonal

[pi-per-uh-nal, pahy-, pip-er-uh-] /pɪˈpɛr əˌnæl, paɪ-, ˈpɪp ər ə-/
noun, Chemistry
1.
a white, crystalline, water-insoluble aldehyde, C 8 H 6 O 3 , which darkens on exposure to light: used chiefly in perfumery and organic synthesis.
Also called piperonyl aldehyde, heliotropin.
Origin
1865-1870
1865-70; piper(ine) + -one + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for piperonyl-aldehyde

piperonal

/ˈpɪpərəʊˌnæl/
noun
1.
a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C8H6O3 Also called heliotropin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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