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WordReference Random House Unabridged Dictionary of American English © 2024be•ta•tron (bā′tə tron′ or, esp. Brit., bē′-),USA pronunciation n. [Physics.]- Physicsan accelerator in which electrons are accelerated to high energies by an electric field produced by a changing magnetic field.
- beta (see beta particle) + -tron 1940–45
Collins Concise English Dictionary © HarperCollins Publishers:: betatron /ˈbiːtəˌtrɒn/ n - a type of particle accelerator for producing high-energy beams of electrons, having an alternating magnetic field to keep the electrons in a circular orbit of fixed radius and accelerate them by magnetic induction. It produces energies of up to about 300 MeV
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