/ Dictionary / Index J Joule effect: Meaning and Definition of Find definitions for: Joule' effect" Pronunciation: [key] — Physics. Physics. the generation of heat by the passage of electricity through a resistance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. joule Joule's law Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language