joule

noun
\ ˈjül How to pronounce joule (audio) also nonstandard ˈjau̇(-ə)l How to pronounce joule (audio) \

Definition of joule

 (Entry 1 of 2)

: a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter

Joule

biographical name
\ ˈjül How to pronounce Joule (audio) \

Definition of Joule (Entry 2 of 2)

James Prescott 1818–1889 English physicist

Examples of joule in a Sentence

Recent Examples on the Web: Noun Not 17 times as much energy, but 172 times more, or 2.8 x 1013 joules. Rhett Allain, Wired, "Trump’s New Space Force Missile Might Be Too ‘Super-Duper’," 26 May 2020 Those include firearms with a gun barrel diameter of more than 20 mm and weapons with a muzzle energy of more than 10,000 joules. Zachary Halaschak, Washington Examiner, "Canada set to ban AR-15s and similar weapons after worst mass shooting in country history," 30 Apr. 2020 There were no standard units of electricity back then, but modern estimates indicate that a pint-sized Leyden jar would have had the energy of about 1 joule. Jennifer Ouellette, Ars Technica, "That time Benjamin Franklin tried (and failed) to electrocute a turkey," 28 Nov. 2019 The lead pair of reindeer will absorb 14.3 QUINTILLION joules of energy. Kyle Mizokami, Popular Mechanics, "The Air Force Redesigned Santa’s Sleigh for Hypersonic Speed," 23 Dec. 2019 Goff estimates the kinetic energy, or energy that results via any form of motion, from a 100-mph line drive to be about 145 joules. Neil Greenberg, courant.com, "MLB’s netting dilemma: With current standards, danger is just a second away," 5 June 2019 The current binding energy of Earth is 2.24 x 10^32 joules. Sophie Weiner, Popular Mechanics, "What Would it Take to Blow Up the Entire Earth?," 13 Aug. 2017 Bridge crossers could generate about 170 million joules per day, which could run 65 laptops or more than 600 tablets for a day, keep a desktop computer running for three weeks straight or fully charge 5,000 smartphones. Terry Gardner, latimes.com, "How travelers to California's most popular landmarks could create electricity while they walk," 20 Mar. 2018 Most visitors average about 7,400 steps, which could generate 308 million joules per day — enough to power three lawnmowers to run 24 hours a day. Terry Gardner, latimes.com, "How travelers to California's most popular landmarks could create electricity while they walk," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'joule.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of joule

Noun

1882, in the meaning defined above

History and Etymology for joule

Noun

James P. Joule

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Time Traveler for joule

Time Traveler

The first known use of joule was in 1882

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Statistics for joule

Last Updated

10 Jun 2020

Cite this Entry

“Joule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/joule. Accessed 13 Jul. 2020.

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More Definitions for joule

joule

noun
How to pronounce Joule (audio) How to pronounce Joule (audio)

English Language Learners Definition of joule

physics : a unit of work or energy

joule

noun
\ ˈjü(ə)l How to pronounce joule (audio) \

Medical Definition of joule

: a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter

More from Merriam-Webster on joule

Rhyming Dictionary: Words that rhyme with joule

Britannica.com: Encyclopedia article about joule

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