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bn:00030233n
Noun Concept
SYL
No term available
EN
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 WordNet 3.0
Relations
Sources
IS A
EN
electrode
EN
electrical element
EN
light source
EN
appliance
PART OF
EN
cathode-ray tube
EN
electron microscope

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