joule
noun
ˈjül 
also nonstandard
ˈjau̇(-ə)l
: a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter
Examples of joule in a Sentence
Recent Examples on the Web
Nuclear fusion, like in the Sun, liberates 630 trillion joules for each kilogram of hydrogen fuel.
—
Big Think, 16 Feb. 2026
As per calculations, the pendulum, when lifted to about seven inches (18 cm), generates 51 joules of energy.
—Ameya Paleja, Interesting Engineering, 11 Feb. 2026
More tokens per joule means more assistants can handle increasing requirements with the same amount of power.
—Ron Schmelzer, Forbes.com, 26 Jan. 2026
In The Encyclopedia of Volcanoes, the energy to melt just Earth’s mantle—which is in fact a solid and not a liquid—is shown to be about 3 × 1030 joules.
—Phil Plait, Scientific American, 18 Dec. 2025
See All Example Sentences for joule
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Big Think, 16 Feb. 2026
As per calculations, the pendulum, when lifted to about seven inches (18 cm), generates 51 joules of energy.
—Ameya Paleja, Interesting Engineering, 11 Feb. 2026
More tokens per joule means more assistants can handle increasing requirements with the same amount of power.
—Ron Schmelzer, Forbes.com, 26 Jan. 2026
In The Encyclopedia of Volcanoes, the energy to melt just Earth’s mantle—which is in fact a solid and not a liquid—is shown to be about 3 × 1030 joules.
—Phil Plait, Scientific American, 18 Dec. 2025
See All Example Sentences for joule
Cite this Entry
“Joule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/joule. Accessed 22 Feb. 2026.
Copy CitationKids Definition
joule
noun
: a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter
Medical Definition
joule
noun
: a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter
Biographical Definition
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