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Definition of electron gun noun from the Oxford Advanced Learner's Dictionary

electron gun

noun
 
/ɪˈlektrɒn ɡʌn/
 
/ɪˈlektrɑːn ɡʌn/
(specialist)
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  1. a device that produces a stream of electrons
See electron gun in the Oxford Advanced American Dictionary
aspiration
noun
 
 
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