hydroxyl

or hy·drox·y

[hahy-drok-suh l]

adjective

containing the hydroxyl group.

Origin of hydroxyl

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

Related formshy·drox·yl·ic

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

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

Examples from the Web for hydroxyl

Historical Examples of hydroxyl

These contain the group, or radical OH, hydroxyl, once or oftener.
The Dyeing of Woollen Fabrics
Franklin Beech
This would then lead to curious conclusions concerning the hydroxyl group.
Scientific American Supplement No. 822
Various
For instance, an alkyl may be substituted for the hydroxyl hydrogen in an alcohol molecule, when an ether results.
Scientific American Supplement No. 822
Various
Those four atoms are called the methyl group, and a methyl group combined with a hydroxyl group forms methyl alcohol.
The Romance of War Inventions
Thomas W. Corbin
First, the hydrogen is displaced by the chlorine: then the chlorine is turned out and its place taken by the hydroxyl.
The Romance of War Inventions
Thomas W. Corbin

British Dictionary definitions for hydroxyl

hydroxyl

noun

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

Derived Formshydroxylic, adjective

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

hydroxyl in Medicine

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.

hydroxyl in Science

hydroxyl

[hī-drŏk′sĭl]

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