kinetic energy

noun

: energy associated with motion

Examples of kinetic energy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The total energy of the ball consists of its potential energy (related to position) plus its kinetic energy (related to motion). George Musser, Quanta Magazine, 5 Jan. 2026 The result is a material that is both lightweight and extraordinarily resistant to deformation, capable of dispersing immense kinetic energy. Kaif Shaikh, Interesting Engineering, 31 Dec. 2025 Most systems spend a lot of energy mechanically filtering out the harmful, long-lasting chemicals, but these researchers propose to use the kinetic energy of natural water flow to drive their system, along with their clever chemical harnessing of electrons. IEEE Spectrum, 27 Dec. 2025 And yet the total energy released in that event was about 1023 joules, or about a millionth of Earth’s rotational kinetic energy. Phil Plait, Scientific American, 18 Dec. 2025 See All Example Sentences for kinetic energy

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of kinetic energy was in 1870

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Cite this Entry

“Kinetic energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kinetic%20energy. Accessed 8 Jan. 2026.

Kids Definition

kinetic energy

noun
: energy associated with motion

Medical Definition

kinetic energy

noun
: energy associated with motion

More from Merriam-Webster on kinetic energy

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