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

Recent Examples on the Web
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But after the Higgs discovery, the particle physics headlines went quiet again, with searches for other hypothesized particles yielding the sigh-inducing null result. Mariangela Lisanti, Twin Cities, 27 Mar. 2026 The antimatter transport took place at CERN’s facilities near Geneva, the site of the world’s largest particle physics laboratory. Jacopo Prisco, CNN Money, 27 Mar. 2026 Antimatter is produced naturally in some nuclear or cosmic ray interactions, and it can also be generated in specialized facilities such as the Antimatter Factory at CERN, the European laboratory for particle physics near Geneva. Emma Gometz, Scientific American, 25 Mar. 2026 On the other hand, there’s the Standard Model of particle physics. Big Think, 24 Mar. 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 3 Apr. 2026.

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