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[pur-kuh-ley-shuh n] /ˌpɜr kəˈleɪ ʃən/
the act or state of percolating or of being percolated.
Pharmacology. the extraction of the soluble principles of a crude drug by the passage of a suitable liquid through it.
Geology. the slow movement of water through the pores in soil or permeable rock.
Origin of percolation
First recorded in 1605-15, percolation is from the Latin word percōlātiōn- (stem of percōlātiō). See percolate, -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for percolation
Contemporary Examples
  • Castro would slide from view for weeks or months until the percolation of rumors roared to a fierce bubbling.

    The Day Castro Wept A. L. Bardach September 16, 2009
Historical Examples
Word Origin and History for percolation

1610s, from Latin percolationem (nominative percolatio), noun of action from past participle stem of percolare "to strain through, filter," from per- "through" (see per) + colare "to strain," from colum "a strainer" (see colander).

Online Etymology Dictionary, © 2010 Douglas Harper
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