joule

¹

[ jool, joul ]

noun

, Physics.

1. the standard unit of work or energy in the International System of Units (SI), 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. : J, j

Joule

²

[ jool, joul ]

noun

1. James Prescott, 1818–89, English physicist.

joule

¹

/ dʒuːl /

noun

1. the derived SI unit of work or energy; the work done when the point of application of a force of 1 newton is displaced through a distance of 1 metre in the direction of the force. 1 joule is equivalent to 1 watt-second, 10 ⁷ergs, 0.2390 calories, or 0.738 foot-pound J

Joule

²

/ dʒuːl /

noun

1. JouleJames Prescott18181889MEnglishSCIENCE: physicist James Prescott. 1818–89, English physicist, who evaluated the mechanical equivalent of heat and contributed to the study of heat and electricity

joule

¹

/ jo̅o̅l,joul /

1. The SI derived unit used to measure energy or work. One joule is equal to the energy used to accelerate a body with a mass of one kilogram using one newton of force over a distance of one meter. One joule is also equivalent to one watt-second.

Joule

²

1. British physicist who demonstrated that heat is a form of energy. His work established the law of conservation of energy, stating that energy is never destroyed but may be converted from one form into another. The joule unit of energy is named for him.

Word History and Origins

Origin of joule¹

First recorded in 1885–90; named after J. P. Joule

Word History and Origins

Origin of joule¹

C19: named after James Prescott Joule

Example Sentences

The findings, detailed in the journal Joule, quantify the costs and benefits of air-source heat pumps across the United States and consider various climates, heating sources, and types of homes.

From Science Daily

This new research, published today in the journal Joule, looked at ways this could be achieved for industry.

From Science Daily

The Tour lab has used Flash Joule heating for a variety of applications, including hybrid carbon nanomaterials synthesis, battery part recycling and heavy metal removal from coal fly ash.

From Science Daily

Rachel Yang, chef and co-owner of the critically acclaimed Seattle restaurants Revel and Joule, reveals her sweet side with her passion project Paper Cake Shop in Wallingford.

From Seattle Times

New research published in the academic journal Joule found that drivers of gasoline-powered cars rack up nearly 4,500 more miles annually than those with electric vehicles.

From Scientific American