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[vuh-nil-in, van-l-] /vəˈnɪl ɪn, ˈvæn l-/
noun, Chemistry.
a white, crystalline, water-soluble, alcohol-soluble solid, C 8 H 8 O 3 , obtained by extraction from the vanilla bean or prepared synthetically: used chiefly as a flavoring agent and in perfumery.
Also, vanilline
[vuh-nil-in, -een, van-l-in, -een] /vəˈnɪl ɪn, -in, ˈvæn l ɪn, -ˌin/ (Show IPA)
Also called vanillic aldehyde.
Origin of vanillin
1865-70; vanill(a) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for vanillin


/ˈvænɪlɪn; vəˈnɪlɪn/
a white crystalline aldehyde found in vanilla and many natural balsams and resins; 3-methoxy-4-hydroxybenzaldehyde. It is a by-product of paper manufacture and is used as a flavouring and in perfumes and pharmaceuticals. Formula: (CH3O)(OH)C6H3CHO
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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Word Origin and History for vanillin

substance prepared from fruit of the vanilla plant, 1868, from vanilla + -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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vanillin in Medicine

vanillin va·nil·lin (və-nĭl'ĭn, vān'ə-lĭn)
A white or yellowish crystalline compound found in vanilla beans and certain balsams and resins and used in flavorings and pharmaceuticals.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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