n. [ Cf. F. perméabilité. ] The quality or state of being permeable. [ 1913 Webster ]

Magnetic permeability (Physics), the specific capacity of a body for magnetic induction, or its conducting power for lines of magnetic force. Sir W. Thomson. [ 1913 Webster ]

a. [ L. permeabilis: cf. F. perméable. See Permeate. ] Capable of being permeated, or passed through; yielding passage; passable; penetrable; -- used especially of substances which allow the passage of fluids; as, wood is permeable to oil; glass is permeable to light. I. Taylor. [ 1913 Webster ]

adv. In a permeable manner. [ 1913 Webster ]