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cathode-ray tube
noun
: a vacuum tube in which a beam of electrons is projected on a phosphor-coated screen to produce a luminous spot at a point on the screen determined by the effect on the electron beam of a variable magnetic field within the tube
Examples of cathode-ray tube in a Sentence
Recent Examples on the Web
Chunky cathode-ray tube televisions sat on outdated furniture.
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Christopher Muther, BostonGlobe.com, 24 Aug. 2023
But the original games would have had cathode-ray tube (CRT) screens, which—as anybody using a camera back then would remember—can be difficult to capture.
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Kevin Purdy, Ars Technica, 3 Mar. 2023
However, those retro game screens were made from cathode-ray tube (CRT), which meant when the cameras were rolling, the images were not clear.
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Jazz Tangcay, Variety, 27 Feb. 2023
For example batteries need to be removed from cellphones and older, cathode-ray tube television sets require special handling due to their lead content.
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Carina Woudenberg, Discover Magazine, 13 May 2021
Douglas created a game of tic-tac-toe, which was also displayed on a cathode-ray tube, for the University of Cambridge EDSAC computer.
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Noah Wardrip-Fruin, The Conversation, 29 Nov. 2021
Seven years later, Boris Rosing first transmitted silhouetted images of geometric shapes, using a cathode-ray tube receiver.
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Kevin Dayhoff, baltimoresun.com/maryland/carroll, 9 Oct. 2020
The idea of a big screen with a fixed connection will be as alien to the second half as landlines and cathode-ray tubes are to today’s youngsters.
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The Economist, 8 June 2019
When first built in 1965, the consoles had era-appropriate cathode-ray tube monitors.
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Matt Blitz, Popular Mechanics, 27 Nov. 2018
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cathode-ray tube.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1905, in the meaning defined above
Dictionary Entries Near cathode-ray tube
Cite this Entry
“Cathode-ray tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cathode-ray%20tube. Accessed 4 Jul. 2024.
Kids Definition
cathode-ray tube
noun
: a vacuum tube in which a beam of electrons is projected upon a fluorescent screen and produces a glowing spot
Medical Definition
cathode-ray tube
noun
: a vacuum tube in which a beam of electrons is projected on a fluorescent screen to produce a luminous spot
More from Merriam-Webster on cathode-ray tube
Britannica.com: Encyclopedia article about cathode-ray tube
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