electron tube

noun

: 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

Word History

First Known Use

1919, in the meaning defined above

Time Traveler
The first known use of electron tube was in 1919

Dictionary Entries Near electron tube

Cite this Entry

“Electron tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20tube. Accessed 23 Feb. 2024.

Kids Definition

electron tube

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

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