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