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hydroquinol

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hy⋅dro⋅qui⋅none

[hahy-droh-kwi-nohn, -druh-kwin-ohn]
–noun Chemistry.
a white, crystalline compound, C6H6O2, formed by the reduction of quinone: used chiefly in photography and to inhibit autoxidation reactions.
Also called hy⋅dro⋅quin⋅ol [hahy-druh-kwin-awl, -ol] , quinol.


Origin:
1860–65; hydro- 1 + quinone
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·dro·qui·none   (hī'drō-kwĭ-nōn', -kwĭn'ōn')   
n.  A white crystalline compound, C6H4(OH)2, used as a photographic developer, an antioxidant, a stabilizer, and a reagent.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: hy·dro·qui·none
Pronunciation: -kwin-'On, -'kwin-"On
Function: noun
: a bleaching agentC6H6O2 used topically to remove pigmentation from hyperpigmented areas of skin (as a lentigo or freckle)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

hydroquinone hy·dro·qui·none (hī'drō-kwĭ-nōn', -kwĭn'ōn')
n.
A white crystalline compound used as an antioxidant, a stabilizer, and a reagent. Also called hydroquinol.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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