strong force

noun

: a fundamental physical force that acts on hadrons and is responsible for the binding together of protons and neutrons in the atomic nucleus and for processes of particle creation in high-energy collisions and that is the strongest known fundamental physical force but acts only over distances comparable to those between nucleons in an atomic nucleus

called also strong interaction, strong nuclear force

compare electromagnetism sense 2a, gravity sense 3a(2), weak force

Examples of strong force in a Sentence

Recent Examples on the Web
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The idea that the strong force unifies with the electroweak force at some point is an example of a Grand Unified Theory, and many have worked on those since the 1970s. Ethan Siegel, Big Think, 9 Sep. 2025 Last year, Yang began to use analog simulations to tackle how the strong force might have behaved during some of the universe’s very earliest moments, when the quarks and gluons that later became bound up in hadrons may have existed as an unbound soup, called quark-gluon plasma. Shalma Wegsman, Quanta Magazine, 5 Sep. 2025 During her second season in Chicago, Reese has been a strong force. Evan Massey, MSNBC Newsweek, 30 July 2025 This property is called the strong force, and the process that sticks these particles together is called fusion. Stephen L. Levy, The Conversation, 23 June 2025 See All Example Sentences for strong force

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of strong force was in 1964

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Cite this Entry

“Strong force.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/strong%20force. Accessed 12 Sep. 2025.

Kids Definition

strong force

noun
: the force between the particles of an atomic nucleus that acts to hold the nucleus together and is the strongest known force

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