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

Other Words from particle physics

particle physicist noun

Examples of particle physics in a Sentence

Recent Examples on the Web The early 1980s were an extremely successful time for particle physics. Ethan Siegel, Forbes, 8 Sep. 2021 The ability to spot these tiny amounts of radioactive elements, which occur naturally in metals such as gold that are often used in laboratory instruments, could have big consequences for particle physics. Karmela Padavic-callaghan, Scientific American, 10 May 2021 In the absence of new data from particle physics or cosmology — a state of affairs that could continue indefinitely — this could be the most promising route for putting the latest ideas about quantum gravity to the test. Quanta Magazine, 7 Sep. 2021 Physicists have previously observed three other particles in the Standard Model—the theory that explains particle physics—doing so. Caroline Delbert And Courtney Linder, Popular Mechanics, 29 July 2021 Our fundamental theories of particle physics predict way too much dark energy. Stephon Alexander, Wired, 31 Aug. 2021 In Life Is Simple, geneticist Johnjoe McFadden offers a breezy but well-researched look at how the razor has inspired some of science’s biggest ideas, from Copernicus’s view of the universe to the Standard Model of particle physics. Amy Brady, Scientific American, 16 Aug. 2021 This led him to formulate general relativity using the methods of particle physics, in the first of his many tour de force textbooks, Gravitation and Cosmology. Quanta Magazine, 12 Aug. 2021 As a young physicist in the 1960s and ’70s, Dr. Turner was part of a young band of physicists who invaded astronomy and turned cosmology into particle physics or perhaps vice versa. New York Times, 3 Aug. 2021

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.

See More

First Known Use of particle physics

1946, in the meaning defined above

Learn More About particle physics

Time Traveler for particle physics

Time Traveler

The first known use of particle physics was in 1946

See more words from the same year

Dictionary Entries Near particle physics


particle physics

particle velocity

See More Nearby Entries 

Statistics for particle physics

Last Updated

6 Jan 2022

Cite this Entry

“Particle physics.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on particle physics Encyclopedia article about particle physics


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!