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bowlder

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bowlder


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Bowlder  \Bowl"der\,  Boulder  \Boul"der\,  n.  [Cf.  Sw  bullra  to 
  roar,  rattle,  Dan.  buldre  dial.  Sw  bullersteen  larger  kind 
  of  pebbles;  perh.  akin  to  E.  bellow.] 
  1.  A  large  stone,  worn  smooth  or  rounded  by  the  action  of 
  water;  a  large  pebble. 
 
  2.  (Geol.)  A  mass  of  any  rock,  whether  rounded  or  not  that 
  has  been  transported  by  natural  agencies  from  its  native 
  bed.  See  {Drift}. 
 
  {Bowlder  clay},  the  unstratified  clay  deposit  of  the  Glacial 
  or  Drift  epoch,  often  containing  large  numbers  of 
  bowlders. 
 
  {Bowlder  wall},  a  wall  constructed  of  large  stones  or 
  bowlders. 
 
  From  WordNet  r  1.6  [wn]: 
 
  bowlder 
  n  :  a  large  smooth  mass  of  rock  detached  from  its  place  of 
  origin  [syn:  {boulder}] 




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