hydroxyl

or hy·drox·y

[ hahy-drok-suh l ]

/ haɪˈdrɒk səl /

adjective

Nearby words

hydroxybenzene, hydroxybutyric acid, hydroxychloroquine, hydroxyketone, hydroxykynureninuria, hydroxyl, hydroxyl group, hydroxylamine, hydroxylase, hydroxylate, hydroxymethyl

Origin of hydroxyl

First recorded in 1865–70; hydr-² + ox(y)-² + -yl

Related forms

hy·drox·yl·ic

[hahy-drok-sil-ik] /ˌhaɪ drɒkˈsɪl ɪk/, adjective

Definition for hydroxy (2 of 2)

hydroxy-

a combining form used in the names of chemical compounds in which the hydroxyl group is present: hydroxyketone.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hydroxy

On boiling with water, they are partially reconverted into the hydroxy acids.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 1|Various
But along with these three general classes are found all kinds of connecting links: Acid salts, basic salts, hydroxy acids, etc.
Negro Folk Rhymes|Thomas W. Talley

British Dictionary definitions for hydroxy (1 of 3)

hydroxy

/ (haɪˈdrɒksɪ) /

adjective

(of a chemical compound) containing one or more hydroxyl groups

Word Origin for hydroxy

C19: hydro- + oxy (gen)

British Dictionary definitions for hydroxy (2 of 3)

hydroxyl

/ (haɪˈdrɒksɪl) /

noun

(modifier) of, consisting of, or containing the monovalent group -OH or the ion OH –a hydroxyl group or radical

Derived Forms

hydroxylic, adjective

British Dictionary definitions for hydroxy (3 of 3)

hydroxy-

combining form

(in chemical compounds) indicating the presence of one or more hydroxyl groups or ions

Word Origin for hydroxy-

from hydro- + oxy (gen)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for hydroxy (1 of 2)

hydroxy-

pref.

Having, adding, or substituting a hydroxyl radical in a compound:hydroxyapatite.

Medicine definitions for hydroxy (2 of 2)

hydroxyl

[ hī-drŏk′sĭl ]

n.

The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.

Science definitions for hydroxy (1 of 2)

hydroxy

[ hī-drŏk′sē ]

Containing the hydroxyl group (OH).

Science definitions for hydroxy (2 of 2)

hydroxyl

[ hī-drŏk′sĭl ]

The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.