osmotic pressure (redirected from osmotic pressures)

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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osmotic pressure

n

(Chemistry) the pressure necessary to prevent osmosis into a given solution when the solution is separated from the pure solvent by a semipermeable membrane

Thesaurus

Noun

1.

osmotic pressure - (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 physical chemistry - the branch of chemistry dealing with the physical properties of chemical substances force per unit area, pressure, pressure level - the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit); "the compressed gas exerts an increased pressure" hypertonicity - (of a solution) the extent to which a solution has a higher osmotic pressure than some other hypotonicity - (of a solution) the extent to which a solution has a lower osmotic pressure than some other