Impressing Impressionism

The property of a material or soil that does not allow, or allows only with great difficulty, the movement or passage of water.

The resistance an asphalt pavement has to the passage of air and water into or through the pavement.

the property of something that cannot be pervaded by a liquid

Ability to stop fluids from passing through. For example, certain materials, such as plastic sheeting, resist penetration by water.

The condition of a rock, sediment, or soil that renders it incapable of transmitting fluids under pressure.

The quality of being impermeable.