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drainage

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drainage


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Drainage  \Drain"age\,  n. 
  1.  A  draining;  a  gradual  flowing  off  of  any  liquid;  also 
  that  which  flows  out  of  a  drain. 
 
  2.  The  mode  in  which  the  waters  of  a  country  pass  off  by  its 
  streams  and  rivers. 
 
  3.  (Engin.)  The  system  of  drains  and  their  operation,  by 
  which  superfluous  water  is  removed  from  towns,  railway 
  beds,  mines,  and  other  works 
 
  4.  Area  or  district  drained;  as  the  drainage  of  the  Po  the 
  Thames,  etc  --Latham. 
 
  5.  (Surg.)  The  act  process,  or  means  of  drawing  off  the  pus 
  or  fluids  from  a  wound,  abscess,  etc 
 
  {Drainage  tube}  (Surg.),  a  tube  introduced  into  a  wound, 
  etc.,  to  draw  off  the  discharges. 
 
  From  WordNet  r  1.6  [wn]: 
 
  drainage 
  n  :  emptying  accomplished  by  draining  [syn:  {drain}] 




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