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high-energy physics

[hahy-en-er-jee]
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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.
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Origin of high-energy physics

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for high-energy physics

high-energy physics

noun
  1. another name for particle physics
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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