osmotic pressure
noun Physical Chemistry.
the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
Origin of osmotic pressure
First recorded in 1885–90
Words nearby osmotic pressure
osmometer,
osmometry,
osmoregulation,
osmose,
osmosis,
osmotic pressure,
osmotic shock,
osmous,
osmund,
osmunda,
osnabrück
British Dictionary definitions for osmotic pressure
osmotic pressure
noun
the pressure necessary to prevent osmosis into a given solution when the solution is separated from the pure solvent by a semipermeable membrane
Medical definitions for osmotic pressure
osmotic pressure
n.
The pressure exerted by the flow of water through a semipermeable membrane separating two solutions with different concentrations of solute.