Meaning & use
permeability
The capacity of a material to allow liquids, gases, or other substances to pass through it.
See it in a sentence
The soil's high permeability let rainwater drain quickly instead of pooling on the surface.
Engineers tested the fabric's permeability to see how much water vapor could escape.
A note on using this word
Permeability is a key concept in geology, materials science, and physics, often measured to predict fluid flow through rock or membranes.
Words with a similar meaning
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Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
impermeability
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