# joule

> English word · Noun · IPA /d͡ʒuːl/ · frequency rank #56,834

## Definitions
1. In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Equivalent to one watt-second (one watt of power acting for a duration of one second).

## Etymology
Named after English physicist James Prescott Joule (1818–1889). The surname is a variant of Joel.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/joule