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piperonal

American  
[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.

piperonal British  
/ ˈpɪpərəʊˌnæl /

noun

  1. Also called: heliotropin.  a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C 8 H 6 O 3

"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

Etymology

Origin of piperonal

First recorded in 1865–70; piper(ine) + -one + -al 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.