n. [ Quinine + ketone. ] (Chem.) A crystalline substance, C6H4O2 (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type. [ Written also chinone, kinone. ] [ 1913 Webster ]
(n) any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes, Syn.benzoquinone
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ Quinine + ketone. ] (Chem.) A crystalline substance, C6H4O2 (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type. [ Written also chinone, kinone. ] [ 1913 Webster ]
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