Breadcrumb Home > Dictionary > Index J Cite joule: Meaning and Definition of Find definitions for: joule Pronunciation: ( jl, joul), [key] the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves through a distance of one meter in the direction of the force: equivalent to 10 ergs and one watt-second. Abbr.: J, j Also called Joule Pronunciation: ( jl, joul), [key] 1818–89, English physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: joule (Thesaurus) Joukahainen Joule effect TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: obviate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language