Definitions of porous

  2. full of pores or vessels or holes
  3. 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.
  4. Having tiny holes through which a fluid may pass, as a sponge.
  5. Having pores, or full of pores or interstices.
  6. Full of pores; light and spongy; opposed to dense.