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high-energy physics

[ hahy-en-er-jee ]

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

noun

  1. See particle physics
    another name for particle physics

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Word History and Origins

Origin of high-energy physics1

First recorded in 1960–65

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High Energy Astrophysical Observatoryhigher

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