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vanillin

American  
[vuh-nil-in, van-l-] / vəˈnɪl ɪn, ˈvæn l- /
Also vanilline

noun

Chemistry.
  1. 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.


vanillin British  
/ ˈvænɪlɪn, vəˈnɪlɪn /

noun

  1. 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: (CH 3 O)(OH)C 6 H 3 CHO

"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 vanillin

First recorded in 1865–70; vanill(a) + -in 2


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Scientists at Flinders University have identified properties in vanillin that could make it a promising ingredient in treatments for chronic wounds, infections, and damaged tissue.

From Science Daily ● Oct. 12, 2026

For example, vanillin can function as a dynamic crosslinker, helping connect different components within a material.

From Science Daily ● Oct. 12, 2026

Because synthetic vanillin can be produced in large quantities, researchers believe it could be easier to incorporate into commercially manufactured medical products than some more expensive or difficult-to-source compounds.

From Science Daily ● Oct. 12, 2026

Researchers from the university's Biomedical Nanoengineering Laboratory found that vanillin has notable antioxidant, anti-inflammatory, and antibacterial properties.

From Science Daily ● Oct. 12, 2026

Furthermore, the familiar flavour and scent of the vanilla bean, which is due to a crystalline substance known as vanillin, can be obtained from coal-tar without the use of the plant.

From Coal and What We Get from It by Raphael Meldola

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