/ Dictionary / Index R resistivity: Meaning and Definition of Find definitions for: re•sis•tiv•i•ty Pronunciation: (rē"zis-tiv'i-tē), [key] — n. the power or property of resistance. Also calledthe resistance between opposite faces of a one-centimeter cube of a given material; ratio of electric intensity to cross-sectional area; reciprocal of conductivity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: resistivity (Thesaurus) resistive resistless Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language