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hydroxy-

1.
a combining form used in the names of chemical compounds in which the hydroxyl group is present:
hydroxyketone.

hydroxyl

[hahy-drok-suh l] /haɪˈdrɒk səl/
adjective
1.
containing the hydroxyl group.
Also, hydroxy.
Origin
1865-1870
1865-70; hydr-2 + ox(y)- + -yl
Related forms
hydroxylic
[hahy-drok-sil-ik] /ˌhaɪ drɒkˈsɪl ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydroxy
  • Coumaric acids are organic compounds that are hydroxy derivatives of cinnamic acid.
British Dictionary definitions for hydroxy

hydroxy

/haɪˈdrɒksɪ/
adjective
1.
(of a chemical compound) containing one or more hydroxyl groups
Word Origin
C19: hydro- + oxy(gen)

hydroxy-

combining form
1.
(in chemical compounds) indicating the presence of one or more hydroxyl groups or ions
Word Origin
from hydro- + oxy(gen)

hydroxyl

/haɪˈdrɒksɪl/
noun
1.
(modifier) of, consisting of, or containing the monovalent group -OH or the ion OH: a hydroxyl group or radical
Derived Forms
hydroxylic, 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
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hydroxy in Medicine

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

hydroxyl hy·drox·yl (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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hydroxy in Science
hydroxy
  (hī-drŏk'sē)   
Containing the hydroxyl group (OH).
hydroxyl
  (hī-drŏk'sĭl)   
The group OH. Hydroxyl is present in bases, certain acids, hydroxides, and alcohols.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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