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Meaning of percolation

per•co•la•tion

Pronunciation: (pûr"ku-lā'shun), [key]
— n.
  1. the act or state of percolating or of being percolated.
  2. the extraction of the soluble principles of a crude drug by the passage of a suitable liquid through it.
  3. the slow movement of water through the pores in soil or permeable rock.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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