percolation

percolation
/perr'keuh lay"sheuhn/, n.
1. the act or state of percolating or of being percolated.
2. Pharm. the extraction of the soluble principles of a crude drug by the passage of a suitable liquid through it.
3. Geol. the slow movement of water through the pores in soil or permeable rock.
[1605-15; < L percolation- (s. of percolatio). See PERCOLATE, -ION]

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Universalium. 2010.

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