poly·​phe·​nol | \ ˌpä-lē-ˈfē-ˌnōl How to pronounce polyphenol (audio) , -fi-ˈnōl \

Definition of polyphenol

: a polyhydroxy phenol especially : an antioxidant phytochemical

Other Words from polyphenol

polyphenolic \ ˌpä-​lē-​fi-​ˈnō-​lik How to pronounce polyphenol (audio) , -​ˈnä-​ How to pronounce polyphenol (audio) \ adjective

Examples of polyphenol in a Sentence

Recent Examples on the Web The water slowed absorption but the polyphenol didn’t. Washington Post, 22 Nov. 2021 One polyphenol only found in extra-virgin olive oil, oleocanthol, is a potent anti-inflammatory shown to help prevent and fight diseases like arthritis and Alzheimer’s. Amanda Ruggeri, Outside Online, 9 Dec. 2014 Avocados also contain polyphenol antioxidants, which protect cells from damage that could lead to heart disease and type 2 diabetes. Cynthia Sass, Mph, Health.com, 10 Feb. 2022 In one study, researchers doctored juice with either extra amounts of the polyphenol (hesperidin) thought to be responsible for slowing glucose absorption, or extra water. Washington Post, 22 Nov. 2021 Resveratrol is a polyphenol, a compound that is chock-full of antioxidants and other benefits. Katie Berohn, Good Housekeeping, 9 Sep. 2021 The polyphenol most commonly linked to red wine is resveratrol. Serena Coady, Glamour, 3 Sep. 2021 The plant's benefits are likely due to its numerous bioactive compounds, which include polyphenol and flavonoid antioxidants. Cynthia Sass, Mph, Health.com, 9 June 2021 According to a 2018 study published in the journal Food Research International, polyphenol antioxidants found in oats possess antioxidant and anti-inflammatory properties. Cynthia Sass, Rd, Health.com, 20 Apr. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polyphenol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of polyphenol

1894, in the meaning defined above

History and Etymology for polyphenol

International Scientific Vocabulary

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Time Traveler for polyphenol

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The first known use of polyphenol was in 1894

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Dictionary Entries Near polyphenol

polyphemus moth



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Cite this Entry

“Polyphenol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyphenol. Accessed 16 May. 2022.

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More Definitions for polyphenol


poly·​phe·​nol | \ ˌpäl-i-ˈfē-ˌnōl, -ˌnȯl, -fi-ˈ How to pronounce polyphenol (audio) \

Medical Definition of polyphenol

: a polyhydroxy phenol especially : an antioxidant phytochemical (as chlorogenic acid) that tends to prevent or neutralize the damaging effects of free radicals

Other Words from polyphenol

polyphenolic \ -​fi-​ˈnō-​lik How to pronounce polyphenol (audio) , -​ˈnäl-​ik How to pronounce polyphenol (audio) \ adjective


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