hydroxy acid
Americannoun
-
an organic acid containing both a carboxyl and a hydroxyl group.
-
any of a class of organic acids containing a hydroxyl group and showing properties of both an alcohol and an acid.
noun
-
any acid, such as sulphuric acid, containing hydroxyl groups in its molecules
-
any of a class of carboxylic acids that contain both a hydroxyl group and a carboxyl group in their molecules
Etymology
Origin of hydroxy acid
First recorded in 1895–1900
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These compounds are assembled from amino acid building blocks along with a conserved hydroxy acid pharmacophore, all connected through a combination of peptide and ester bonds.
From Science Daily ● Jul. 8, 2026
Superfrau contains lactic acid, an alpha hydroxy acid found in moisturizers and serums.
From New York Times ● Jan. 20, 2022
Alpha hydroxy acid powers the Insta Swipe peel pads, $22, which are compostable and biodegradable.
From New York Times ● Jan. 29, 2020
The pumpkin enzyme in this treatment exfoliates, while alpha hydroxy acid peels, and aluminum oxide polishes, tackling a dull complexion.
From Forbes ● Oct. 28, 2014
You'd think, since it's a hydroxy acid and an antioxidant, that it would prove ideal.
From Time Magazine Archive
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
