Magnetic permeability Permeability is the degree of magnetization of a material that responds linearly to an applied magnetic field. In general permeability is a tensor-valued quantity. Electricity and Magnetism QUDT http://qudt.org/schema/qudt#PermeabilityUnit ODM2 Units Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of the Unit or the more general quantity that the Unit represents.