reluctivity

詳細解釋：

rel.uc.tiv.i.ty

n.Physics （名詞）【物理學】
A measure of the resistance of a material to the establishment of a magnetic field within it, equal to the ratio of the intensity of the magnetic field to the magnetic induction of the material.
磁阻率：一物體對其內部形成磁場的阻抗的度量，等於磁場強度和這個物體磁場感應之間的比率

來源：
reluct(ance)
reluct(ance)
(conduct)ivity
(conduct)ivity