(n) the slow passage of a liquid through a filtering medium, Syn.infiltration, Example: the percolation of rainwater through the soil; the infiltration of seawater through the lava
v. t. [ imp. & p. p. Percolated p. pr. & vb. n. Percolating. ] [ L. percolatus, p. p. of percolare to percolate; per through + colare to strain. ] To cause to pass through fine interstices, as a liquor; to filter; to strain. Sir M. Hale. [ 1913 Webster ]
n. [ L. percolatio. ] The act or process of percolating, or filtering; filtration; straining. Specifically (Pharm.), the process of exhausting the virtues of a powdered drug by letting a liquid filter slowly through it. [ 1913 Webster ]
n. 1. One who, or that which, filters. “[ Tissues ] act as percolators.” Henfrey. [ 1913 Webster ]
2. A type of coffee pot in which the heated water is driven by its boiling action up above a porous canister of coffee held above the level of the water in the pot, and then filters (percolates) back through the coffee thus extracting its essence. [ Webster 1913 Suppl. +PJC ]
3. (Pharmacy) An apparatus for producing an extract from a drug by percolation. [ Webster 1913 Suppl. ]
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