dialysis

dialysis definition - medical

di·al·y·sis (dī-ălˈĭ-sĭs)

noun pl. di·al·y·ses (-sēzˌ)
  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. Also called diffusion.
  2. Hemodialysis.

Related Forms:

  • diˌa·lytˈic (-ə-lĭtˈĭk) adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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