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

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.