| environ. |
scrubbing; rain-out; wash-out; flushing; flushing Removing lodged deposits of rock fragments and other debris by water flow at high velocity; used to clean water conduits and drilled boreholes; leaching 1. The process of separating a liquid from a solid - as in waste liquid by percolation into the surrounding soil. 2. Extraction of soluble components of a solid mixture by percolating a solvent through it. 3. To lose or cause to lose soluble substances by the action of a percolating liquid; rinsing The removal of thin layers of surface material more or less evenly from an extensive area of gently sloping land, by broad continuous sheets of running water rather than by streams flowing in well-defined channels; e.g. erosion that occurs when rain washes away a thin layer of topsoil |
