centrifugal filter

from The Collaborative International Dictionary of English v.0.48
Centrifugal filter \Cen*trif"u*gal fil"ter\
   A filter, as for sugar, in which a cylinder with a porous or
   foraminous periphery is rapidly rotated so as to drive off
   liquid by centrifugal action.
   [Webster 1913 Suppl.]
    

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