Meaning of linear accelerator

lin'ear accel'erator

Pronunciation: [key]
— Physics. Physics.
  1. an accelerator in which particles are propelled in straight paths by the use of alternating electric voltages that are timed in such a way that the particles receive increasing increments of energy. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.