Water potential



The measure of the relative tendency of water to move from one area to another, and is commonly represented by the Greek letter Ψ (Psi).


Water potential is caused by osmosis, gravity, mechanical pressure, or matrix effects including surface tension. It is useful in understanding water movements within plants, animals, and soil.

Word origin: potential » Late Latin potentiālis, powerful, from Latin potentia, power.

Compare: Osmotic Potential.
See also: osmosis.

Please contribute to this project, if you have more information about this term feel free to edit this page

This page was last modified on 13 September 2008, at 00:42. This page has been accessed 162,723 times. 
What links here | Related changes | Permanent link