Noun: permeability ,pur-mee-u'bi-li-tee
- The property of something that can be pervaded by a liquid (as by osmosis or diffusion)
"The permeability of the cell membrane allows certain molecules to pass through";
- permeableness
Derived forms: permeabilities
Type of: porosity, porousness
Antonym: impermeability
Encyclopedia: Permeability