electron tube

noun

Definition of electron tube

: an electronic device in which conduction by electrons takes place through a vacuum or a gaseous medium within a sealed glass or metal container and which has various uses based on the controlled flow of electrons

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Dictionary Entries near electron tube

electron-ray tube

electron telescope

electron transport

electrooculogram

electrooculography

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The first known use of electron tube was in 1919

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electron tube

noun

Kids Definition of electron tube

: a device in which conduction of electricity by electrons takes place through a vacuum or a gas within a sealed container and which has various uses (as in radio and television)

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