Dictionary

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

First Known Use of ELECTRON TUBE

1922
ELECTRON TUBE Defined for Kids

electron tube

noun

Definition of ELECTRON TUBE for Kids

:  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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June 30, 2015
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