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occlusionmore about occlusion

occlusion

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Occlusion  \Oc*clu"sion\,  n.  [See  {Occlude}.] 
  1.  The  act  of  occluding,  or  the  state  of  being  occluded. 
 
  Constriction  and  occlusion  of  the  orifice.  --Howell. 
 
  2.  (Med.)  The  transient  approximation  of  the  edges  of  a 
  natural  opening;  imperforation.  --Dunglison. 
 
  {Occlusion  of  gases}  (Chem.  &  Physics),  the  phenomenon  of 
  absorbing  gases,  as  exhibited  by  platinum,  palladium, 
  iron,  or  charcoal;  thus  palladium  absorbs,  or  occludes, 
  nearly  a  thousand  times  its  own  volume  of  hydrogen,  and  in 
  this  case  a  chemical  compound  seems  to  be  formed. 
 
  From  WordNet  r  1.6  [wn]: 
 
  occlusion 
  n  1:  closure  or  blockage  of  a  blood  vessel 
  2:  a  composite  front  when  colder  air  surrounds  a  mass  of  warm 
  air  and  forces  it  aloft  [syn:  {occluded  front}] 
  3:  (dentistry)  the  normal  spatial  relation  of  the  teeth  when 
  the  jaws  are  closed 
  4:  an  obstruction  in  a  pipe  or  tube;  "we  had  to  call  a  plumber 
  to  clear  out  the  blockage  in  the  drainpipe"  [syn:  {blockage}, 
  {block},  {closure},  {stop},  {stoppage}] 
  5:  the  act  of  blocking  [syn:  {blockage},  {closure}]




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