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polyphenol

[pol-ee-fee-nawl, -nol]
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noun Chemistry.
  1. a polymeric phenol.
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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. 2018

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polyphenol in Science

polyphenol

[pŏl′ē-fēnôl′, -nōl′]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.