/joohl, jowl/ , n. Physics.
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 7 ergs and one watt-second. Abbr.: J, j Also called newton-meter .
[ 1885-90; named after J. P. JOULE ]