quinone
[kwi-nohn, kwin-ohn]
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noun Chemistry.
a yellow, crystalline, cyclic unsaturated diketone, C6H4O2, formed by oxidizing aniline or hydroquinone: used chiefly in photography and in tanning leather.
any of a class of compounds of this type.
Also chinone.
Origin of quinone
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for quinone
Historical Examples of quinone
The quinone with which we are at present concerned is anthraquinone.
CoalRaphael Meldola
The various pathological conditions mentioned before may be ascribed to irritation caused by quinone di-imine.
Principles and Practice of Fur Dressing and Fur DyeingWilliam E. Austin
The so-called chrysophanic acid found in Xanthoria (Physcia) parietina is not an acid but a quinone and is better termed physcion.
Thus there is quinone itself, or benzoquinone, which is benzene with two atoms of oxygen replacing two atoms of hydrogen.
CoalRaphael Meldola
Phenanthrene forms a quinone which has been utilized as a source of colouring-matters, but these are comparatively unimportant.
CoalRaphael Meldola
quinone
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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quinone
[kwĭ-nōn′, kwĭn′ōn′]
n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
quinone
[kwĭ-nōn′, kwĭn′ōn′]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.