strong force


Definition of strong force

: 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 The prizewinners studied weak-force interactions at high energies by creating a beam of neutrinos, which do not interact through the strong force but do so by the weak force. Washington Post, "Jack Steinberger, Nobel laureate in physics, dies at 99," 17 Dec. 2020 That makes sense—the highest-energy neutrinos are the most likely to make a blip big enough to appear on something made by people using materials that mostly respond in the strong force realm. Caroline Delbert, Popular Mechanics, "The Sun Is Experiencing a Second Fusion," 1 Dec. 2020 Quarks transform from one color to another by absorbing or emitting particles called gluons, the carriers of the strong force. Quanta Magazine, "A New Map of All the Particles and Forces," 22 Oct. 2020 Her partnership with Canopy Growth formed after they were introduced through the one and only Snoop Dogg, who is a strong force in the marijuana industry. Shacamree Gowdy, Houston Chronicle, "Martha Stewart unveils new line of CBD-filled products for people and pets," 11 Sep. 2020 If confirmed, the axions that may have been detected wouldn’t fix the asymmetries in the strong force or explain most of the missing mass in the universe, said Kai Martens, a physicist at the University of Tokyo who worked on the experiment. Rafi Letzter, Scientific American, "Physicists Announce Potential Dark Matter Breakthrough," 17 June 2020 Some experts, like Batiz-Lazo, believe the pandemic will be a strong force for change in the payments landscape, but not one that eliminates cash. Mckenna Moore, Fortune, "Why America won’t be going cashless anytime soon," 25 June 2020 Theoretical physicists first proposed the existence of axions in the 1970s in order to resolve problems in the math governing the strong force, which binds particles called quarks together. Rafi Letzter, Scientific American, "Physicists Announce Potential Dark Matter Breakthrough," 17 June 2020 In the 1980s, during the HIV epidemic, patient advocacy groups not only helped shape the way clinical trials of the disease were conducted but served as a strong force for recruiting patients into trials of investigational drugs. G. Caleb Alexander, STAT, "Searching for an effective Covid-19 treatment: promise and peril," 10 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'strong force.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of strong force

1964, in the meaning defined above

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The first known use of strong force was in 1964

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Last Updated

21 Dec 2020

Cite this Entry

“Strong force.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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