| Filtration (n.) The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it. Thesaurus Entries 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 |