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Related to semipermeable: semipermeable membrane


 (sĕm′ē-pûr′mē-ə-bəl, sĕm′ī-)
1. Partially permeable.
2. Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes.

sem′i·per′me·a·bil′i·ty n.


(Biology) (esp of a cell membrane) selectively permeable
ˌsemiˌpermeaˈbility n


(ˌsɛm iˈpɜr mi ə bəl, ˌsɛm aɪ-)

permeable only to certain small molecules: a semipermeable membrane.
sem`i•per`me•a•bil′i•ty, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.semipermeable - (of a membrane) selectively permeable
permeable - allowing fluids or gases to pass or diffuse through; "permeable membranes"; "rock that is permeable by water"
References in periodicals archive ?
000 pcs Parka, woodland, GVT - 20,000 pieces Parka, desert, GVT - 4400 pieces Parka, jungle, GVT - lined parka semipermeable - Dust, cat / pes, 50/50, 200 g / m2 woodland - Dust, cat / pes, 50/50, 200 g / m2 desert - Dust, cat / pes, 50/50, 200 g / m2 jungle - Dust bilaminates, polyaminde, Z-liner gray / beige
The industrial and technological applications of chitosan have been exploited for decades, for example, in the production of cosmetics, drugs, and medicines, food additives, semipermeable membranes, in the development of biomaterials used in Schiff base reactions to produce salicylaldehyde derivatives [1], as a drug delivery agent for the human body [2, 3], and in the textile industry as an alternative for treating effluents containing dyes [4].
2,8) The long-term use of hydrogenated fats can stiffen the semipermeable membranes around each cell in the body to limit the flow of food (glucose) into the cells.
Gareau, is that the gut is bounded by a semipermeable membrane containing hundreds of millions of microbes.
Hemodialysis removes wastes and water by circulating blood outside the body through an external filter, called a dialyzer and in peritoneal dialysis, wastes and water are removed from the blood inside the body using the peritoneum as a natural semipermeable membrane.
They consist of semipermeable dressings (foam), sealed with an adhesive sheet that is connected to a portable pump.
Osmotic systems consist of a hydrophilic matrix and a coated extended-release system, with polyethylene oxide polymers and inorganic salts or sugars as osmogens in the tablet core and cellulose acetate with polyethylene glycol (PEG) polymers as the semipermeable membrane coating.
May-June, 1999) "The Holes in Gould's Semipermeable Membrane Between Science and Religion.
Guidelines for the Use of the Semipermeable Membrane Device (SPMD) and the Polar Organic Chemical Integrative Sampler (POCIS) in Environmental Monitoring Studies.
Replace the anode, cathode, and semipermeable membrane in each electrolytic cell annually.
Which scientific term describes the interchange of liquids through a semipermeable membrane?