'Quinone' definitions:
Definition of 'quinone'
(from WordNet)
noun
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: quinone, benzoquinone]
Definition of 'Quinone'
From: GCIDE
- Quinone \Qui"none\, 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]