Definition of Electron gun
1. Noun. 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.
Medical Definition of Electron gun
1.
A cathode/anode device intended to produce a stream of electrons. Also used inside a video camera tube and monitor picture tube that contains a heated cathode. Electrons emitted by the gun are focused to produce the scanning beam.
(05 Aug 1998)
Lexicographical Neighbors of Electron Gun
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