Porosity vs. Permeability

Porositynoun

(uncountable) The state of being porous

Porositynoun

(countable) A measure of how porous a material is; the ratio of the volume of pores to the total volume

Porositynoun

The quality or state of being porous; - opposed to density.

Porositynoun

the property of being porous; being able to absorb fluids

Porosity

Porosity or void fraction is a measure of the void (i.e. ) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.

Permeabilitynoun

the property of being permeable

Permeabilitynoun

the rate of flow of a fluid through a porous material

Permeabilitynoun

(geology) a measure of the ability of a rock to transmit fluids (such as oil or water)

Permeabilitynoun

(physics) a quantitative measure of the degree of magnetization of a material in the presence of an applied magnetic field (measured in newtons per ampere squared in SI units).

Permeabilitynoun

The quality or state of being permeable.

Permeabilitynoun

the property of something that can be pervaded by a liquid (as by osmosis or diffusion)