Noah Webster
Depuration
DEPURATION, noun
1. The act of purifying or freeing fluids from heterogeneous matter. This is done by decantation, when the feculent matter is deposited on the bottom of the vessel; or by despumation, effected by boiling or fermentation, and skimming; or by filtration; or by fining or clarification.
2. The cleansing of a wound from impure matter.