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DictionarySeemembranepermeable membrane
permeable membrane[′pər·mē·ə·bəl ′mem‚brān] (chemistry) A thin sheet or membrane of material through which selected liquid or gas molecules or ions will pass, either through capillary pores in the membrane or by ion exchange; used in dialysis, electrodialysis, and reverse osmosis. permeable membrane
permeable membraneA membrane that permits passage of water and certain substances in solution. See: osmosis; selectively permeable membrane; semipermeable membraneSee also: membrane |