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.
Key ingredients: Hyaluronic acid, organic grape water, polyphenols. Denise Primbet, Glamour, 21 Feb. 2025 Related article Roman egg still intact found in UK in ‘amazing’ discovery Foods rich in polyphenols have anti-inflammatory and antioxidant properties, which have been shown to help protect against several diseases and may reduce the occurrence of prostate and breast cancer, according to the study. Julianna Bragg, CNN, 18 Feb. 2025 Green Tea Green tea is rich in polyphenols known for their antioxidant and anti-inflammatory properties. Emily Brown, Mph, Verywell Health, 31 Jan. 2025 Beetroot is rich in nutrients and polyphenols (special plant components). Elizabeth Barnes, Verywell Health, 14 Feb. 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 3 Mar. 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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