noun

• (chemistry) A method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.
• (medicine) Utilization of this method for removal of waste products from the blood in the case of kidney failure: hemodialysis or peritoneal dialysis.
• (rhetoric) The spelling out of alternatives, or presenting of either-or arguments that lead to a conclusion.
• (rhetoric) Asyndeton.