Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: joule  joo(-u)l
  1. A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
    - J, watt second
Noun: Joule  joo(-u)l
  1. English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889)
    - James Prescott Joule

Sounds like: j

Derived forms: joules

Type of: energy unit, heat unit, physicist, work unit

Encyclopedia: Joule, John