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

Keep scrolling for more

Other Words from particle physics

particle physicist noun

Examples of particle physics in a Sentence

Recent Examples on the Web The last major instrument sent to the space station -- an Alpha Magnetic Spectrometer that's mounted on the side to facilitate particle physics experiments -- was sent on a shuttle in May 2011. Lauren Kent, CNN, "What's it like to live on the International Space Station?," 18 Oct. 2019 The Standard Model of particle physics, the best theory researchers have to describe the particles and forces in the universe, predicted neutrinos were weightless. Clara Moskowitz, Scientific American, "Mysterious Neutrinos Get New Mass Estimate," 26 Aug. 2019 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

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

Keep scrolling for more

Learn More about particle physics

Statistics for particle physics

Last Updated

14 Nov 2019

Time Traveler for particle physics

The first known use of particle physics was in 1946

See more words from the same year

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

Comments on particle physics

What made you want to look up particle physics? Please tell us where you read or heard it (including the quote, if possible).


concealed or difficult to comprehend

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • pasta resembling wheels with spokes
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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