hydroxyl

or hy·drox·y

[ hahy-drok-suh l ]
/ haɪˈdrɒk səl /

adjective

containing the hydroxyl group.

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

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-drŏksĭl ]

n.

The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for hydroxy (1 of 2)

hydroxy

[ hī-drŏksē ]

Containing the hydroxyl group (OH).

Science definitions for hydroxy (2 of 2)

hydroxyl

[ hī-drŏksĭl ]

The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.