highenergy physics

high-energy physics

[hahy-en-er-jee]
noun
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.

Origin:
1960–65

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
high-energy physics
 
n
another name for particle physics

Collins English Dictionary - Complete & Unabridged 10th Edition
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