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