Geologically, this term describes rock that permits movement of fluids through small, often microscopic openings, much as water moving through a sponge Porous rocks may contain gas, oil, or water
full of pores or vessels or holes able to absorb fluids; "the partly porous walls of our digestive system"; "compacting the soil to make it less porous"
containing pores, or holes that permit the movement of fluids or gases An example of a porous material is a sponge Porosity is the extent to which a substance contains pores Swiss cheese has high porosity compared to cheddar
Full of pores; having interstices in the skin or in the substance of the body; having spiracles or passages for fluids; permeable by liquids; as, a porous skin; porous wood