English Explanatory Dictionary

joule

English dictionary entry

Meanings

noun
  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).
name
  1. A surname.

Pronunciation

jo͞ol joul /d͡ʒuːl/ /d͡ʒaʊl/ LL-Q1860 (eng)-Vealhurl-joule.wav LL-Q1860 (eng)-Wodencafe-joule.wav /d͡ʒʉl/

Word forms

joule joules

Etymology

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

Related words

mul:J

Derived words

attojoule femtojoule giga-joule gigajoule joulemeter joule-second joule thief kilojoule kilo-joule mega-joule megajoule microjoule micro-joule millijoule milli-joule nano-joule nanojoule oxyjoule pico-joule picojoule tera-joule terajoule yottajoule zeptojoule Joule heat Joule heating Joule-Kelvin effect Joule-Thomson effect Joule-Thomson expansion Kelvin-Joule effect
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