(1) Dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure
WiktionaryText
Etymology
From αίμο hemo-, from αίμα hema "blood" + διάλυσις dialysis "dissolution, separation", from διαλύειν dialyein "dissolve, separate", from δια- dia- "apart" + λύειν lyein "loosen".
Noun
the use of dialysis to remove waste products from the blood in the case of kidney failure