di·al·y·sis 
(dī-ălĭ-sĭs)
(dī-ălĭ-sĭs)n. pl. di·al·y·ses (-sēz′)
1. The separation of smaller molecules from larger molecules or of dissolved substances from colloidal particles in a solution by selective diffusion through a semipermeable membrane.
2. Medicine Any of several techniques, especially hemodialysis and peritoneal dialysis, in which filtration through a semipermeable membrane is used to remove metabolic wastes and excess fluid from the blood of people with kidney failure.
[Greek dialusis, separating, dissolution, from dialūein, to break up, dissolve : dia-, apart; see DIA- + lūein, to loosen; see leu- in the Appendix of Indo-European roots.]
di′a·lytic (-ə-lĭtĭk) adj.
di′a·lyti·cal·ly adv.
- Indo-European root: plāk-
- Indo-European root: pneu-
- Indo-European root: porko-
- Indo-European root: poti-
- Indo-European root: prek-
- Indo-European root: preus-
- Indo-European root: prī-
- Indo-European root: pā-
- Indo-European root: pāl-
- Indo-European root: pē(i)-
- Indo-European root: pō(i)-
- Indo-European root: pū̆-
- Indo-European root: pəter-
- Indo-European root: re-
- Indo-European root: reg-
- Indo-European root: rei-
- Indo-European root: reidh-
- Indo-European root: reig-
- Indo-European root: rep-
- Indo-European root: ret-
- Indo-European root: reudh-
- Indo-European root: reug-
- Indo-European root: reup-
- Indo-European root: reuə-
- Indo-European root: rē-