dialysis

(dī-al′ĭ-sĭs)

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(dī-al′ĭ-sēz″)
pl. dialyses [dia- + -lysis]

1. The passage of a solute through a membrane.
2. The removal of toxic chemicals from the body by extracting solutes via a semipermeable membrane. It is used in patients with acute or chronic kidney disease to maintain or restore acid-base, electrolyte, and/or fluid balance.

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