'Magnetic permeability' definitions:

Definition of 'Magnetic permeability'

From: GCIDE

Permeability \Per`me*a*bil"i*ty\, n. [Cf. F. perm['e]abilit['e].] 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]