Paraxylene

2 definitions found

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

  Paraxylene \Par`a*xy"lene\, n. (Chem.)
     A hydrocarbon ({C6H4(CH3)2}) of the aromatic series obtained
     as a colorless liquid by the distillation of camphor with
     zinc chloride. It is one of the three metamers of xylene. Cf.
     {Metamer}, and {Xylene}.
     [1913 Webster]



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

  Xylene \Xy"lene\, n. [Gr. xy`lon wood.] (Chem.)
     Any of a group of three metameric hydrocarbons of the
     aromatic series, found in coal and wood tar, and so named
     because found in crude wood spirit. They are colorless, oily,
     inflammable liquids, {C6H4.(CH3)2}, being dimethyl benzenes,
     and are called respectively {orthoxylene}, {metaxylene}, and
     {paraxylene}. Called also {xylol}.
     [1913 Webster]
  
     Note: Each of these xylenes is the nucleus and prototype of a
           distinct series of compounds.
           [1913 Webster]