Used attributively before another noun (e.g., "permeability tests"). Not a true descriptive adjective; comparatives and superlatives are normally not used.

Definitions

permeabilitynoun

The quality or state of being permeable; the ability of a material or membrane to allow liquids or gases to pass through it.

The permeability of the soil affects how quickly water can drain through it.

A measure of the ability of a material, especially a rock or sediment, to transmit fluids, often used in the context of geology and hydrology.

The permeability of the sandstone layer was crucial for the success of the oil extraction process.

In physics, the degree to which a material can support the formation of a magnetic field within itself, often referred to as magnetic permeability.

The permeability of the iron core enhances the efficiency of the electromagnet.

permeabilityadjective

Of or relating to permeability; involving the measurement, value, or consideration of permeability (used attributively).

Permeability data were collected from the core samples.