Dictionary.com
Thesaurus.com

high-energy physics

American  
[hahy-en-er-jee] / ˈhaɪˈɛn ər dʒi /

noun

  1. the branch of particle physics that deals with the collisions of particles accelerated to such high energies that new elementary particles are created by the collisions.


high-energy physics British  

noun

  1. another name for particle physics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of high-energy physics

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He opted for high-energy physics and theoretical math instead.

From The Wall Street Journal May 15, 2026

"It's an ideal project for the MSU high-energy physics group."

From Science Daily Nov. 26, 2025

High-energy physicists at Fermi National Accelerator Laboratory in Batavia, Illinois—DOE’s only high-energy physics lab—are gearing up to build a massive neutrino experiment.

From Science Magazine Aug. 9, 2022

Gary Marcus has argued for ‘‘a coordinated, multidisciplinary, multinational effort’’ modeled after the European high-energy physics lab CERN, which has successfully developed billion-dollar science projects like the Large Hadron Collider.

From New York Times Apr. 15, 2022

Leaders of Lawrences Berkeley and Livermore empire during the postwar bonanza, which enriched the university and secured the Rad Lab’s position as the preeminent center of high-energy physics in the nation, perhaps the world.

From "Big Science" by Michael Hiltzik

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training