D defs.my
Entry 1 sense Webster, 1913

betatron

· be·ta·tron · IPA /ˈbeɪ.təˌtɹɑn/
01 n. a type of particle accelerator which accelerates a continuous beam of electrons to high speeds by means of the electric field produced by c…
  1. 1.
    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.