n. A form of cyclotron used to accelerate electrons to high speed.
the GNU version of the Collaborative International Dictionary of English
n. a type of particle accelerator which accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
Word Usage
"After fifteen minutes under full pressure . . . the radiologist turns on the betatron and shoots radiation at the tumor."