1. Noun. The potential energy of water per unit volume. ¹
¹ Source: wiktionary.com
Medical Definition of Water potential
1. The chemical potential (i.e. Free energy per mole) of water in plants. Water moves within plants from regions of high water potential to regions of lower water potential, i.e. Down gradient.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
