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permeability per·me·a·bil·i·ty (pûr'mē-ə-bĭl'ĭ-tē)
The property or condition of being permeable.
The rate of flow of a liquid or gas through a porous material.
|magnetic permeability |
A measure of the ability of a substance to sustain a magnetic field, equal to the ratio between magnetic flux density and magnetic field strength. For a vacuum, its value is 1.257 × 10-6 henries per meter. Highly magnetizable materials, such as ferromagnetic materials, have higher magnetic permeability. See also ferromagnetism.