: an electron tube evacuated to a high degree of vacuum
Examples of vacuum tube in a Sentence
Recent Examples on the Web
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.
From re-creating the sound of legendary recording studios to bringing the warm, analog sound of vacuum tubes and turntables into an age of lossless audio and Wi-Fi streaming, the world’s top car audio companies are turning it up to 11.—Mark Phelan, Freep.com, 27 July 2025 Unveiled at the meeting were autonomous taxis, Uber-Air, gravity vacuum tubes for transit, hoverboards, e-skates and more.—Sam Schwartz, New York Daily News, 22 July 2025 After graduating from Rensselaer Polytechnic Institute in 1924 with a degree in electrical engineering, DuMont worked in a plant that manufactured vacuum tubes.—IEEE Spectrum, 3 July 2025 This model comes with a vacuum tube, a blower tube, and a collection bag.—Kat De Naoum, Better Homes & Gardens, 31 Oct. 2024 See All Example Sentences for vacuum tube
: an electron tube from which most of the air has been removed
Medical Definition
vacuum tube
noun
: an electronic device in which conduction by electrons takes place through a vacuum within a sealed glass or metal container and which has various uses based on the controlled flow of electrons
Share