/ Dictionary / Index R reluctivity: Meaning and Definition of Find definitions for: rel•uc•tiv•i•ty Pronunciation: (rel"uk-tiv'i-tē), [key] — n. Elect. the tendency of a magnetic circuit to conduct magnetic flux, equal to the reciprocal of the permeability of the circuit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reluctivity (Thesaurus) reluctate relume Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language