kinetic energy

noun

: energy associated with motion

Examples of kinetic energy in a Sentence

Recent Examples on the Web
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These cells will convert the kinetic energy of alpha particles into usable electricity, powering a laptop-class device. Ameya Paleja, Interesting Engineering, 9 Apr. 2026 Take a room full of particles, for instance, where half of the particles are cold (low in kinetic energy, moving slowly, with a long timescale in between collisions) and half of the particles are hot (high in kinetic energy, moving rapidly, with short timescales separating successive collisions). Big Think, 9 Apr. 2026 These particles come in with a broad range of velocities, which in turn gives them a broad range of kinetic energy, the energy of motion. Phil Plait, Scientific American, 3 Apr. 2026 There is some kinetic energy to Kirsch’s blocking and shot choices, but one grows tired of the house style rather quickly. Richard Lawson, HollywoodReporter, 18 Mar. 2026 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 21 Apr. 2026.

Kids Definition

kinetic energy

noun
: energy associated with motion

Medical Definition

kinetic energy

noun
: energy associated with motion

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