Definitions for osmotic pressure
Random House Webster's College Dictionary
osmot′ic pres′sure(n.)
the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
Category: Chemistry
Origin of osmotic pressure:
1885–90
Princeton's WordNet
osmotic pressure(noun)
(physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane
Wiktionary
osmotic pressure(Noun)
The hydrostatic pressure exerted by a solution across a semipermeable membrane from a pure solvent; the pressure needed to counteract osmosis
U.S. National Library of Medicine
Osmotic Pressure
The pressure required to prevent the passage of solvent through a semipermeable membrane that separates a pure solvent from a solution of the solvent and solute or that separates different concentrations of a solution. It is proportional to the osmolality of the solution.
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