(v): remove something concrete, as by lifting, pushing, or taking off, or remove something abstract
(v): permeate or penetrate gradually
(v): run or flow slowly, as in drops or in an unsteady stream
(v): remove substances from by a percolating liquid
(v): remove something concrete, as by lifting, pushing, or taking off, or remove something abstract
(n): the process of leaching
(n): a process existing in or produced by nature (rather than by the intent of human beings)
