The stream bed below is normally dry as the water percolates through at a lower level.

The water is brought in at the top, and percolates following a zig-zag pattern inside the wall.

It became less substantial, so that water might percolate through it, and air.

For instance, dispersal could happen relatively quickly, especially if water percolated through the dump.

You can perfectly well do this with small amounts of water percolating through the soil," he said.

The impact also produced the fractures through which water percolated, providing conditions for the possible growth of Martian bacteria.

Today the water percolates through the landslide debris to form the source of the Doye.

The cleansed water percolated south, forming the Everglades' "river of grass."

The little water that they use in the kitchen will percolate into the ground just the way it would in a septic system.

Some $300 million has been invested in systems to control landfill gas and the "tea" brewed by water percolating through the waste.