Dictionary
qui•none
Pronunciation: (kwi-nōn', kwin'ōn), [key]—
n. Chem.
1. a yellow, crystalline, cyclic unsaturated diketone, C
6H
4O
2, formed by oxidizing aniline or hydroquinone: used chiefly in photography and in tanning leather.
2. any of a class of compounds of this type.
Also,chinone.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.