Dictionary.com

polyphenol

[ pol-ee-fee-nawl, -nol ]
/ ˌpɒl iˈfi nɔl, -nɒl /
Save This Word!

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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of polyphenol

First recorded in 1895–1900; poly- + phenol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use polyphenol in a sentence

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.
FEEDBACK