Permeability

Definition

Permeability refers to how easily fluids can flow through a material such as soil or rock. It measures how well interconnected the pores are within a substance.

Related terms

Groundwater:

Groundwater is water that exists beneath Earth's surface in saturated zones called aquifers.

Capillary action: Capillary action is when liquids move against gravity through small spaces due to adhesive forces between liquid molecules and solid surfaces.

Water table: The water table is the level below which ground is saturated with water; it represents the upper surface of an unconfined aquifer.