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Examples of vacuum tube in a Sentence
Recent Examples on the Web
Would-be buyers of older setups should know that most consumer electronics from the early solid-state era—the mid-1960s into the ’80s, when transistors appeared to be the death knell for vacuum tubes—sounded awful then and sound even worse today.
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Robert Ross, Robb Report, 15 Feb. 2025
Included Accessories Generally, handheld leaf mulchers come with a vacuum tube and leaf collection bag.
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Renee Freemon Mulvihill, Better Homes & Gardens, 31 Jan. 2025
However, developments in vacuum tube technology have made the concept more viable.
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Aron Solomon, Newsweek, 9 Dec. 2024
The vacuum also has two wheels underneath it, which helps move it around since the vacuum tube is bigger than the blower tube.
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Sandi Schwartz, Better Homes & Gardens, 1 Nov. 2024
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Word History
First Known Use
1859, in the meaning defined above
Dictionary Entries Near vacuum tube
Cite this Entry
“Vacuum tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vacuum%20tube. Accessed 19 Feb. 2025.
Kids Definition
vacuum tube
noun
: 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
More from Merriam-Webster on vacuum tube
Britannica.com: Encyclopedia article about vacuum tube
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