Quinone

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  quinone
       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}]