#osmosis__osmosi  diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
  supertype:  diffusion  (physics) the process of diffusing; the intermingling of molecules in gases and liquids as a result of random thermal agitation
  part of:  dialysis  separation of substances in solution my means of their unequal diffusion through semipermeable membranes

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