osmotic pressure

Other forms: osmotic pressures

Definitions of osmotic pressure

1. 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
   types:

   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

   type of:

   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)