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expander


expander


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Expander  \Ex*pand"er\,  n. 
  Anything  which  causes  expansion  esp.  (Mech.)  a  tool  for 
  stretching  open  or  expanding  a  tube,  etc