poly·​hy·​droxy | \ ˌpä-lē-hī-ˈdräk-sē How to pronounce polyhydroxy (audio) \

Definition of polyhydroxy

: containing more than one hydroxyl group in the molecule

Examples of polyhydroxy in a Sentence

Recent Examples on the Web 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 Those with sensitive skin may want to look into the even gentler polyhydroxy acids (PHAs), Dr. Ngo says, and should avoid physical exfoliators like harsh scrubs containing pits or abrasive beads. Sarah Jacoby, SELF, 22 Aug. 2019 This cleanser is specially formulated with polyhydroxy acids (PHAs), a gentle acid suitable for sensitive skin types, to lightly exfoliate and help keep my blackheads and dead skin cells at bay. Kathleen Hou, The Cut, 9 Mar. 2018

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

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First Known Use of polyhydroxy

1895, in the meaning defined above

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Time Traveler for polyhydroxy

Time Traveler

The first known use of polyhydroxy was in 1895

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Last Updated

5 Oct 2021

Cite this Entry

“Polyhydroxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyhydroxy. Accessed 27 Oct. 2021.

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More Definitions for polyhydroxy


poly·​hy·​droxy | \ -hī-ˈdräk-sē How to pronounce polyhydroxy (audio) \

Medical Definition of polyhydroxy

: containing more than one hydroxyl group in the molecule


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