| 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. "The veins of porous earth." Origin: Cf. F. Poreux. See Pore. Source: Websters Dictionary (01 Mar 1998) |
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| porous disk | <chemistry> A disk in a tube connecting two different solutions in a voltaic cell that allows ion flow without extensive mixing of the solutions, similar to a salt bridge. (09 Jan 1998) |