from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the seepage or filtration of a liquid through a porous substance
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. The act of percolating; the act of straining or filtering; filtration; the act of passing through small interstices, as liquor through felt or a porous stone.
- n. In pharmacy, the process of extracting the soluble parts of powdered substances by passing through them successive quantities of a solvent which yields a clear extract free from insoluble matters: used in the sense of displacement.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the act of making coffee in a percolator
- n. the filtration of a liquid for extraction or purification
- n. the slow passage of a liquid through a filtering medium
Sorry, no etymologies found.
Many, many authors insist that frivolous mental percolation is critical for maintaining mental health.
If percolation is too fast, effluent will drain unfiltered (without removing bacteria) into the water table.
What a pretty example of opportunistic branching, also known as percolation, in physics.
As most citizens have consequently drifted toward poverty and serfdom, and the government has been taken "to the bathtub" to be drowned, the upward "percolation" has been drying up.
Soil characteristics, including permeability, percolation rates, slope, texture and depth to water table affect the ability of the land to operate as a septic absorption field.
Wakodahatchee is an Indian name that means "Created Waters," and that is exactly what this preserve is: a project of the Palm Beach County Water Authority, every day, over one million gallons is purified through the preserve, either by percolation or evaporation.
It comes down to two principles: percolation and evaporation.
According to Ethan Budiansky, who manages Trees for the Future's tree-planting efforts in Haiti, tree roots increase the percolation of rainwater into soil, hold topsoil in place and absorb excess water.
Mr. FAGNAN: Just think of it as a percolation stream all the way down that just - you know, poof, poof.
The water vapors and collected water should be treated by methods as close to the natural treatment processes (electrostatic ionization, soil infiltration and percolation) as possible to provide its biological activity.