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asphaltum


asphaltum


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Asphalt  \As"phalt\,  Asphaltum  \As*phal"tum\,  n.  [Gr.  ?,  of 
  eastern  origin:  cf  F.  asphalte.] 
  1.  Mineral  pitch,  Jews'  pitch,  or  compact  native  bitumen.  It 
  is  brittle,  of  a  black  or  brown  color  and  high  luster  on  a 
  surface  of  fracture;  it  melts  and  burns  when  heated, 
  leaving  no  residue.  It  occurs  on  the  surface  and  shores  of 
  the  Dead  Sea,  which  is  therefore  called  Asphaltites  or 
  the  Asphaltic  Lake.  It  is  found  also  in  many  parts  of 
  Asia,  Europe,  and  America.  See  {Bitumen}. 
 
  2.  A  composition  of  bitumen,  pitch,  lime,  and  gravel,  used 
  for  forming  pavements,  and  as  a  water-proof  cement  for 
  bridges,  roofs,  etc.;  asphaltic  cement.  Artificial  asphalt 
  is  prepared  from  coal  tar,  lime,  sand,  etc 
 
  {Asphalt  stone},  {Asphalt  rock},  a  limestone  found 
  impregnated  with  asphalt.