osmosis

osmosis definition - medical

os·mo·sis (ŏz-mōˈsĭs, ŏs-)

noun pl. os·mo·ses (-sēz)
  1. Diffusion of fluid through a semipermeable membrane until there is an equal concentration of fluid on both sides of the membrane.
  2. The tendency of fluids to diffuse in such a manner.

Related Forms:

  • os·motˈic (-mŏtˈĭk) 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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