particle physics


Definition of particle physics

: 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

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Other Words from particle physics

particle physicist noun

Examples of particle physics in a Sentence

Recent Examples on the Web

There has long been speculation that protons may change in size depending on context, and confirmation of that would lead to a trove of unknown interactions that would upend the particle physics world. Wired, "A Buzzkill Physics Discovery, a Deadly Miracle Drug, and More News," 16 Sep. 2019 The discovery, in 1974, was known as the November Revolution, a coup that led to the establishment of the Standard Model of particle physics. Quanta Magazine, "Three Major Physics Discoveries and Counting," 18 July 2018 The new collider was proposed as part of the ongoing discussion surrounding the course of European particle physics in upcoming decades. Avery Thompson, Popular Mechanics, "Scientists Are Planning a New Particle Collider That Absolutely Dwarfs the LHC," 16 Jan. 2019 Beyond that, the main idea seems to be that this provides a new window on particle physics. Chris Lee, Ars Technica, "Baby gravitational wave detector could find a home at the LHC," 3 Oct. 2018 Its mission: To investigate solar wind and study extreme particle physics. Robin Seemangal, Popular Mechanics, "A Workhorse Rocket Maker Tries to Touch the Sun—And Stay Relevant," 16 Aug. 2018 Magnetic monopoles may just help break the current logjam in particle physics. Adam Hadhazy, Discover Magazine, "Scientists Hunt for A Seeming Paradox: A Magnet With Only One Pole," 13 Nov. 2018 Don't toss out your particle physics textbooks just yet. Adrian Cho, Science | AAAS, "Reports of sterile neutrino’s resurrection may be greatly exaggerated," 4 June 2018 The office supports six research programs in advanced scientific computing, basic energy science, biological and environmental research, fusion energy research, high-energy particle physics, and nuclear physics. Adrian Cho, Science | AAAS, "Senators question nominees for DOE's science and clean-energy research wings," 27 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'particle physics.' 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 particle physics

1946, in the meaning defined above

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Last Updated

3 Oct 2019

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The first known use of particle physics was in 1946

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