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  1. Oxford American Dictionary

    van de Graaff generator

    • IPA[ˌvan də ˌɡraf ˈjenəˌrādər]

    美式

    • n.
      a machine devised to produce a high voltage by means of an endless belt collecting electrostatic charge from a source and transferring it to a large isolated metal dome, on which a large charge accumulates.

    • noun: van de Graaff generator, plural noun: van de Graaff generators