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electron micrograph
electron microscope
electron multiplier
electron optics
electron sea
electron shell
electron spin resonance
electron transport
electron tube
electron volt
electronegative
electronegativity
electronic
electronic article surveillance
electronic bill presentment and payment
electronic book
electronic check
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electron tube
e·lec·tron tube (plural e·lec·tron tubes)


noun 
Definition:
 
device where electrons flow between electrodes: a device that consists of a sealed glass vessel containing a gas or a vacuum, within which electrons flow between electrodes
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