polyphenol

[ pol-ee-fee-nawl, -nol ]
/ ˌpɒl iˈfi nɔl, -nɒl /

noun

Chemistry. a polymeric phenol.
Biochemistry. any of a group of naturally occurring compounds found significantly in fruits, vegetables, cereals, coffee, tea, and wine, and widely studied for properties believed to promote health and fight disease.See also flavonoid.

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Origin of polyphenol

First recorded in 1895–1900; poly- + phenol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for polyphenol

Scientific definitions for polyphenol

polyphenol
[ pŏl′ē-fēnôl′, -nōl′ ]

Any of various alcohols containing two or more benzene rings that each have at least one hydroxyl group (OH) attached. Many polyphenols occur naturally in plants and some kinds, such as the flavonoids and tannins, are believed to be beneficial to health.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.