particle physics

noun

: a branch of physics dealing with the constitution, properties, and interactions of elementary particles especially as revealed in experiments using particle accelerators

called also high-energy physics

particle physicist noun

Examples of particle physics in a Sentence

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Europe’s Choice Today, CERN stands proudly at the center of the global particle physics enterprise. Florencia Canelli, Scientific American, 1 July 2026 With the identification of the bottom quark in 1977 and the top quark in 1995, the scientific breakthroughs helped prove the foundational architecture of the universe and verified the standard model of particle physics. Kori Rumore, Chicago Tribune, 27 June 2026 The result spurred Khoury and two Pennsylvania colleagues, Meng-Xiang Lin and Mark Trodden, to construct a model of dark interactions based on a dark-sector analogue of quantum chromodynamics, a cornerstone theory of particle physics. Quanta Magazine, 22 June 2026 Americans have long worked with other countries in space exploration, particle physics, and many experiments that are too expensive to fund domestically but will create results important for the fundamental advancement of science. Kelly Fleming, Forbes.com, 11 June 2026 See All Example Sentences for particle physics

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of particle physics was in 1946

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Cite this Entry

“Particle physics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/particle%20physics. Accessed 5 Jul. 2026.

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