Definitions for "Porous"
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.
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.
having many pores.
Keywords:  granular, rough, pitted, planchet, coin
A coin with a rough or granular/pitted surface from oxidation.
Having a granular surface as the result of oxidation, most frequently found with older copper coins
slightly pitted due to cleaning or chemical action.
This is where something allows water and air in easily. For example, paper is porous.
something which allows water to pass through it. Compare nonporous.
A porous material will allow water born and other contaminants to penetrate and should be sealed
Keywords:  implant, bone, growth, surface, allows
Amount of surface area, which allows for bone growth through the implant.
Keywords:  pass, open, fluids, liquids, ability
The ability of certain substance to pass fluids due to their open physical structure.
Having many small openings through which liquids may pass.