Dictionary > Osmotic pressure

Osmotic pressure

Definition
noun
A hydrostatic pressure caused by a difference in the amounts of solutes between solutions that are separated by a semi-permeable membrane.
Supplement
Osmotic pressure reduces water potential, which is the tendency of water moving from one area to another. Thus, it is necessary in plant cells for turgidity and support.
See also: hydrostatic pressure, Osmotic Potential, osmosis.


User Contributions / Comments:

  • The osmotic pressure is defined to be the pressure required to maintain an equilibrium, with no net movement of solvent.

(http://en.wikipedia.org/wiki/Osmosis)


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