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alluvium

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alluvium


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Alluvium  \Al*lu"vi*um\,  n.;  pl  E.  {Alluviums},  L.  {Alluvia}. 
  [L.,  neut.  of  alluvius.  See  {Alluvious}.]  (Geol.) 
  Deposits  of  earth,  sand,  gravel,  and  other  transported 
  matter,  made  by  rivers,  floods,  or  other  causes,  upon  land 
  not  permanently  submerged  beneath  the  waters  of  lakes  or 
  seas.  --Lyell. 
 
  From  WordNet  r  1.6  [wn]: 
 
  alluvium 
  n  :  clay  or  slit  or  gravel  carried  by  rushing  streams  and 
  deposited  where  the  stream  slows  down  [syn:  {alluvial 
  sediment},  {alluvial  deposit}] 




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