polyphenol

noun

poly·​phe·​nol ˌpä-lē-ˈfē-ˌnōl How to pronounce polyphenol (audio)
-fi-ˈnōl
: a polyhydroxy phenol
especially : an antioxidant phytochemical
polyphenolic adjective

Examples of polyphenol in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Blueberries Blueberries may help lower blood pressure due to their anthocyanins (a polyphenol). Lindsey Desoto, Verywell Health, 29 May 2025 Finally, polyphenols, found in plant foods like dates, tea, spices, and cocoa, which can act like a prebiotic and benefit gut bacteria, or can be converted by the gut bacteria into beneficial fatty acids. Mélanie Nauche, Vogue, 29 May 2025 Olive oil, another anti-inflammatory hero food, contains polyphenols as well. Catharine Malzahn, Glamour, 28 May 2025 Tea has thousands of biologically active compounds, which include polyphenols, polysaccharides and alkaloids, to name just a few. Andrew Weil, Flow Space, 8 May 2025 See All Example Sentences for polyphenol

Word History

Etymology

International Scientific Vocabulary

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of polyphenol was in 1894

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Cite this Entry

“Polyphenol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyphenol. Accessed 6 Jun. 2025.

Medical Definition

polyphenol

noun
: a polyhydroxy phenol
especially : an antioxidant phytochemical (as chlorogenic acid) that tends to prevent or neutralize the damaging effects of free radicals
polyphenolic adjective
Last Updated: - Updated example sentences
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