permeability
n. ஊடுருவ இடந்தரும் இயல்பு, ஊறி உட்புக இடந்தரும் நிலை.
Per`me*a*bil"i*ty, n. Etym: [Cf. F. perméabilité.] Defn: The quality or state of being permeable. Magnetic permeability (Physics), the specific capacity of a body for magnetic induction, or its conducting power for lines of magnetic force. Sir W. Thomson.