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Permeability

Applicable units are those of quantitykind:ElectromagneticPermeability

$\textit{Permeability}$ is the degree of magnetization of a material that responds linearly to an applied magnetic field. In general permeability is a tensor-valued quantity. The definition given applies to an isotropic medium. For an anisotropic medium permeability is a second order tensor. In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself. In other words, it is the degree of magnetization that a material obtains in response to an applied magnetic field. Magnetic permeability is typically represented by the Greek letter $\mu$. The term was coined in September, 1885 by Oliver Heaviside. The reciprocal of magnetic permeability is $\textit{Magnetic Reluctivity}$.

http://dbpedia.org/resource/Permeability

http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891

http://en.wikipedia.org/wiki/Permeability_(electromagnetism)

$\mu = \frac{B}{H}$, where $B$ is magnetic flux density, and $H$ is magnetic field strength.

$\mu$