. "the slow passage of a liquid through a filtering medium; \"the percolation of rainwater through the soil\"; \"the infiltration of seawater through the lava\""@en-us . . "0"^^ . . . "percolation"@en-us . . . "13534274-n"^^ . . . . . "percolation"^^ . "113534274"^^ . . "0"^^ . "112769942"@en-us . "infiltration"@en-us . "the slow passage of a liquid through a filtering medium; \"the percolation of rainwater through the soil\"; \"the infiltration of seawater through the lava\""@en-us . . . . . .