nonpermeable

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English - English
not permeable
having the same magnetic permeability as that of free space, so that the material in question has a magnetic permeability \mu = \mu_0 (where μ0 = 4π×10−7 N A−2 exactly in SI units)
{s} cannot be permeated, impossible to pass through
having the same magnetic permeability as that of free space, so that the material in question has a magnetic permeability μ = μ0 (where μ0 = 4π×10{−7} N A{−2} exactly in SI units)