high'-en'er•gy phys'ics

Pronunciation: (hī'en'ur-jē), [key]
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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

High Energy Astrophysical Observatoryhigher arithmetic
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