Castro would slide from view for weeks or months until the percolation of rumors roared to a fierce bubbling.
No other means of agitation or percolation is so efficacious or economical.'
Contamination of the soil, ground water, and air by percolation of sewage.
We noticed that water poured on the sand ran through it very quickly and was apt to be lost by leaching or percolation.
The river contained more water the higher we mounted, for below the water was lost by evaporation and percolation into the ground.
If the percolation and evaporation have been properly performed the fluid extract will not be required to be filtered.
Of course, with such a pressure as this, there was likely to be percolation under the foundations and a washing-out of the soil.
This varnish served to protect the painting, but did not prevent the percolation of water.
This wadi, which is some 63 m. long, obtains water by percolation from the Nile.
The existence of the fault helped him a good deal, as the percolation of water at this point had oxidized the stone to rottenness.