-
- To save this word, you'll need to log in.
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
Examples of electron tube in a Sentence
Recent Examples on the Web
The key breakthrough to all this progress was the advent of the electron tube, perfected by a string of brilliant engineers, which enabled the invention of new circuits of all descriptions: radar, the computer, the television, and on and on.
—IEEE Spectrum, 3 Jan. 2011
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1919, in the meaning defined above
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 29 Nov. 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)
More from Merriam-Webster on electron tube
Britannica.com: Encyclopedia article about electron tube
Love words? Need even more definitions?
Merriam-Webster unabridged
Share