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.
When moving in an inert, neutralizing background, a gas of electrons tend to crystallize at low densities as their potential energy is more dominant than their kinetic energy. Ameya Paleja, Interesting Engineering, 11 Aug. 2026 Careful engineering is necessary to ensure the safety of full-sized bipedal robots in close proximity to humans since kinetic energy in falls or collisions is a serious worry. Chuck Brooks, Forbes.com, 10 Aug. 2026 As the spherules slowed, their kinetic energy became heat, producing an intense pulse of thermal radiation. Stefanie Waldek, Space.com, 1 Aug. 2026 Some of it turns into the kinetic energy that is the hurricane’s strong winds. Sean MacAday, Sacbee.com, 30 July 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

Browse Nearby Words

Cite this Entry

“Kinetic energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kinetic%20energy. Accessed 15 Aug. 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!