semipermeable membrane

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Related to Semipermeable membranes: Selectively permeable membrane, Selectively permeable, Partially permeable membrane

semipermeable membrane

[¦sem·i′pər·mē·ə·bəl ′mem‚brān]
(physics)
A membrane which allows a solvent to pass through it, but not certain dissolved or colloidal substances.
References in periodicals archive ?
The strengths of these representations include the following: (a) they highlight the nature of a semipermeable membrane as water, glucose, and iodine easily pass through the membrane but starch remains within the artificial cell; (b) diffusion of substances can be tracked along concentration gradients (e.
4] across semipermeable membranes could not be predicted based on the reported MWCO.
The other desalination technique is reverse osmosis, which involves pumping seawater or brackish groundwater through semipermeable membranes to separate salt and other minerals from the water.