Definition von electron gun im Englisch Englisch wörterbuch
Any device that produces a stream of electrons, especially a narrow stream that is focused onto a phosphor screen
The electrode, especially in a cathode-ray tube, that produces a beam of accelerated electrons
the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it