Pōr'ōŭs, a.

adjective

(89), a. [It., Sp., & Pg. poroso, Pr. poros, Fr. poreux. See PORE.] Full of pores; having interstices in the skin or substance of the body; having spiracles or passages for fluids; as, a porous skin; porous wood. “The veins of porous earth.” Milton.