polyhydroxy

adjective

poly·​hy·​droxy ˌpä-lē-hī-ˈdräk-sē How to pronounce polyhydroxy (audio)
: containing more than one hydroxyl group in the molecule

Examples of polyhydroxy in a Sentence

Recent Examples on the Web
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The beta hydroxy and polyhydroxy acids work together to help clear pores while gently exfoliating, while the watermelon enzymes exfoliate while brightening the skin. Erika Reals, Peoplemag, 30 Mar. 2023 This rich, buttery formula contains polyhydroxy acids, an ingredient known for its gentle yet effective exfoliating properties, moisturizing vitamin B3, and soothing oat extract. Jennifer Hussein, Allure, 16 Dec. 2022 For sensitive skin types, gentle chemical exfoliants that include PHAs (polyhydroxy acids) are ideal. Sarah Madaus, SELF, 9 Nov. 2021 Chlöe opts for the normal-and-combination skin formula, a 9 percent blend of AHAs and polyhydroxy acids (PHAs). Lindy Segal, Harper's BAZAAR, 29 Sep. 2021

Word History

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of polyhydroxy was in 1895

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Cite this Entry

“Polyhydroxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyhydroxy. Accessed 6 Jul. 2026.

Medical Definition

polyhydroxy

adjective
poly·​hy·​droxy -hī-ˈdräk-sē How to pronounce polyhydroxy (audio)
: containing more than one hydroxyl group in the molecule
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