osmotic pressure

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
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    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)
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