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petrolatummore about petrolatum

petrolatum

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Petrolatum  \Pet`ro*la"tum\,  n.  (Chem.  &  Pharm.) 
  A  semisolid  unctuous  substance,  neutral,  and  without  taste  or 
  odor,  derived  from  petroleum  by  distilling  off  the  lighter 
  portions  and  purifying  the  residue.  It  is  a  yellowish, 
  fatlike  mass,  transparent  in  thin  layers,  and  somewhat 
  fluorescent.  It  is  used  as  a  bland  protective  dressing,  and 
  as  a  substitute  for  fatty  materials  in  ointments.  --U.  S. 
  Pharm. 
 
  Note:  Petrolatum  is  the  official  name  for  the  purified 
  product.  Cosmoline  and  vaseline  are  commercial  names 
  for  substances  essentially  the  same  but  differing 
  slightly  in  appearance  and  consistency  or  fusibility. 
 
  From  WordNet  r  1.6  [wn]: 
 
  petrolatum 
  n  :  a  semisolid  mixture  of  hydrocarbons  obtained  from  petroleum; 
  used  in  medicinal  ointment  and  for  lubrication  [syn:  {petroleum 
  jelly},  {mineral  jelly}]




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