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electron tube

noun

Definition of electron tube

  1. :  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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First Known Use of electron tube

1919

ELECTRON TUBE Defined for Kids

electron tube

noun

Definition of electron tube for Students

  1. :  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)

Learn More about electron tube

  1. Britannica.com: Encyclopedia article about electron tube

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