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(Chemistry) (of a chemical compound) containing two or more hydroxyl groups per molecule. Also: polyhydric
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɒl i haɪˈdrɒk si)

containing two or more hydroxyl groups.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
It is comprised of an aqueous continuous phase of one or more polyhydroxy acid lactones; one or more aliphatic di- or tricarboxylic acids; and of glyoxylic acid or a salt or hydrate thereof.
Gallic acid (3,4,5-trihydroxybenzoic acid, GA), obtained by the hydrolysis of tannins, is a plant polyhydroxy phenol with well-known natural anti-oxidant ability [7].
(1,2) This polyhydroxy bionic acid is used as an excipient agent in some pharmaceutical products and has been the object of increasing interest and use in cosmetics and cosmeceuticals.
It produced polyhydroxy butyrate higher than polyhydroxy valerate and polyhydroxy hexanoate (11).
Polyhydroxy acids or PHAs can be used by people with conditions such as rosacea and dermatitis.
Or Eucerin Dermo Pure Scrub, PS9.80 for 100ml, cocooncenter.co.uk Polyhydroxy: Best for sun exposure Polyhydroxy acids can be used by people with conditions such as rosacea and dermatitis.
To smooth skin from within, seek a gentle chemical exfoliant that aids in cell turnover by using ingredients like Alpha Hydroxy Acid (AHA), Beta Hydroxy Acid (BHA) or Polyhydroxy Acid (PHA).
In order to evaluate the oxidative stability of biodiesel, a recognized method is the Rancimat (EN 14112) [11-14], which is able to evaluate how much the stability oxidative can be increased by addition of different types of synthetic antioxidants, mainly monohydroxy or polyhydroxy phenol compounds, including ones with several ring substitutions, such as butylated hydroxytoluene, propyl gallate, tertbutylhydroquinone, among others.
El-Shahat, "Synthesis, characterization of low density polyhydroxy polyurethane foam and its application for separation and determination of gold in water and ores samples," Analytica Chimica Acta, vol.
Carriere, "Synthesis, rheological characterization, and constitutive modeling of polyhydroxy triglycerides derived from milkweed oil," Journal of Agricultural and Food Chemistry, vol.
In this regard, polyhydroxy fullerenes (PHF) have shown their potential use for cancer imaging [63].