the tendency of a magnetic circuit to conduct magnetic flux, equal to the reciprocal of the permeability of the circuit.
Origin of reluctivity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -ties
physics a specific or relative reluctance of a magnetic material
Word Origin for reluctivity
C19: reluct + -ivity on the model of conductivity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012