THESAURUS
filtration
bolting, clarification, colature, destructive distillation, distillation, edulcoration, effusion, elution, elutriation, essentialization, excretion, exfiltration, extraction, extravasation, exudation, filtering, leaching, lixiviation, ooze, oozing, percolating, percolation, purification, refinement, riddling, screening, seep, seepage, separation, sieving, sifting, spiritualization, straining, sublimation, transudation, weep, weeping, winnowing