permeability

Definitions

The state or quality of a material or membrane that allows liquids or gases to pass through it.

A measure of the ability of a porous material to allow fluids to pass through its interconnected pore spaces.

The degree to which a magnetic material can be magnetized by an external magnetic field.

Examples

The high permeability of the soil allows rainwater to drain quickly into the groundwater system.

Engineers tested the membrane to ensure its permeability was low enough to prevent chemical leakage.

Synonyms

porosity penetrability perviousness absorbency transmissibility

Antonyms

impermeability impenetrability imperviousness nonporosity sealing