gallic acid

noun

gal·​lic acid ˈga-lik- How to pronounce gallic acid (audio) ˈgȯ-lik- How to pronounce gallic acid (audio)
: a white crystalline acid C7H6O5 found widely in plants or combined in tannins and used especially in dyes and as a photographic developer

Examples of gallic acid in a Sentence

Recent Examples on the Web This formula also features nourishing hyaluronic acid, garland lily extract, and gallic acid with a blend of ferulic acid and vitamin E to support UV and blue light protection. Jessie Quinn, Peoplemag, 28 Aug. 2023 These compounds were found in the kernel (nut) of the black walnut and included gallic acid, quercetin, and naringin, among others.5 Other research has shown that the intake of nuts may improve inflammation. Brittany Lubeck, Rd, Verywell Health, 16 Mar. 2023 Caffeine, gallic acid, p-coumaric acid and kaempferol all improve the diversity and quantity of honeybee gut microbes, researchers reported last year in the Journal of Applied Microbiology. Berly McCoy, Smithsonian Magazine, 25 Oct. 2021 How much gallic acid is there normally in a human colon? Hannah Seo, Popular Science, 20 Aug. 2020 When the team eliminated gut bacteria in mice, but then administered gallic acid on its own, the resulting tumor growth pattern looked as if the entire microbiome had been intact. Hannah Seo, Popular Science, 20 Aug. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gallic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from French (acide) gallique, from galle gall entry 3 + -ique -ic entry 1

First Known Use

1788, in the meaning defined above

Time Traveler
The first known use of gallic acid was in 1788

Dictionary Entries Near gallic acid

Cite this Entry

“Gallic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gallic%20acid. Accessed 14 Apr. 2024.

Medical Definition

gallic acid

noun
gal·​lic acid ˌgal-ik- How to pronounce gallic acid (audio) ˌgȯ-lik- How to pronounce gallic acid (audio)
: a white crystalline acid C7H6O5 found widely in plants or combined in tannins and used especially in dyes and writing ink and as a photographic developer

More from Merriam-Webster on gallic acid

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!