permeability
nounUK /ˌpɜː.mi.əˈbɪl.ə.ti/
US /ˌpɝː.mi.əˈbɪl.ə.t̬i/
Permeability is how easily water or air can go through something.
The permeability of the sponge lets water soak right through it.
RELATED WORDS
OTHER MEANINGS
2. In science, the ability of a material to let fluids pass through it.
Scientists measured the permeability of the soil to see how fast rain would drain.
3. In physics, how easily a magnetic field can pass through a material.
Iron has high magnetic permeability, so it is used in electromagnets.
4. The quality of being open to influence or new ideas.
The permeability of the team's thinking led to many creative solutions.