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naphthamore about naphtha

naphtha


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Naphtha  \Naph"tha\,  n.  [L.  naphtha,  Gr  ?????,  fr.Ar.  nafth, 
  nifth.] 
  1.  (Chem.)  The  complex  mixture  of  volatile,  liquid, 
  inflammable  hydrocarbons,  occurring  naturally,  and  usually 
  called  crude  petroleum,  mineral  oil,  or  rock  oil. 
  Specifically:  That  portion  of  the  distillate  obtained  in 
  the  refinement  of  petroleum  which  is  intermediate  between 
  the  lighter  gasoline  and  the  heavier  benzine,  and  has  a 
  specific  gravity  of  about  0.7,  --  used  as  a  solvent  for 
  varnishes,  as  a  carburetant,  illuminant,  etc 
 
  2.  (Chem.)  One  of  several  volatile  inflammable  liquids 
  obtained  by  the  distillation  of  certain  carbonaceous 
  materials  and  resembling  the  naphtha  from  petroleum;  as 
  Boghead  naphtha,  from  Boghead  coal  (obtained  at  Boghead, 
  Scotland);  crude  naphtha,  or  light  oil,  from  coal  tar; 
  wood  naphtha,  from  wood,  etc 
 
  Note:  This  term  was  applied  by  the  earlier  chemical  writers 
  to  a  number  of  volatile,  strong  smelling,  inflammable 
  liquids,  chiefly  belonging  to  the  ethers,  as  the 
  sulphate,  nitrate,  or  acetate  of  ethyl.  --Watts. 
 
  {Naphtha  vitrioli}  [NL.,  naphtha  of  vitriol]  (Old  Chem.), 
  common  ethyl  ether;  --  formerly  called  {sulphuric  ether}. 
  See  {Ether}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  naphtha 
  n  :  any  of  various  volatile  flammable  liquid  hydrocarbon 
  mixtures;  used  chiefly  as  solvents 




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