Osmotic-pressure



noun, Physical Chemistry.
1.
the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
noun
1.
the pressure necessary to prevent osmosis into a given solution when the solution is separated from the pure solvent by a semipermeable membrane

osmotic pressure n.
The pressure exerted by the flow of water through a semipermeable membrane separating two solutions with different concentrations of solute.

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