quinone(redirected from P-chloranil)
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1. Either of two isomeric unsaturated cyclic compounds having the formula C6H4O2, found widely in plants, especially in a yellow crystalline form, and used in making dyes, tanning hides, and photography.
2. Any of various quinonoid compounds, often yellow to red in color, many of which have biological derivation or importance, such as coenzyme-Q.
(Elements & Compounds) another name for benzoquinone
qui•none(kwɪˈnoʊn, ˈkwɪn oʊn)
1. a yellow, crystalline, cyclic compound, C6H4O2, used chiefly in photography and in tanning leather.
2. any of a class of compounds of this type.
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|Noun||1.||quinone - any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes|
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight