cathode ray

noun

Definition of cathode ray

1 cathode rays plural : the high-speed electrons emitted in a stream from the heated cathode of a vacuum tube
2 : a stream of electrons emitted from the cathode of a vacuum tube usually used in plural

Examples of cathode ray in a Sentence

Recent Examples on the Web The ’90s may have been a simpler time technologically, a fact underscored by the cathode ray tube television sets and first-generation Apple Macintosh computers that populate the photos. New York Times, 3 Feb. 2022 Nam June Paik began that exchange with a cathode ray tube in 1963. Jonathon Keats, Forbes, 28 May 2021 Over the past 30 years, much has changed including our use of computers which now, instead of being attached to cathode ray television sets, fit into our pockets. Jason Nagi, Forbes, 12 Apr. 2021 On top of that, cathode ray tube (CRT) TVs are popular with some kinds of classic gamers, for example, and other technologies have loyalists of their own. Caroline Delbert, Popular Mechanics, 2 Oct. 2020 The program went into the history books for a number of reasons, including the weather, but the cable network had a small audience in those early days, and the cathode ray TV screens of the era were small too, mostly in the 21-inch range. Fred Bronson, Billboard, 24 Mar. 2019 Once developed, the photos were then transferred into a spot scanner, which used a cathode ray tube to convert the images into an electric signal. Eric Berger, Ars Technica, 4 Oct. 2019 The cathode ray tubes that otherwise would have produced the grainy, rudimentary pictures on the tiny TV screens of the time had been assigned to the war effort for radar and other electronic military devices. Erik Lacitis, The Seattle Times, 2 June 2019 Anyone who remembers working with cathode ray tube monitors is familiar with the phenomenon of coil whine. Sean Gallagher, Ars Technica, 28 Aug. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cathode ray.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cathode ray

1880, in the meaning defined at sense 1

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Time Traveler for cathode ray

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The first known use of cathode ray was in 1880

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Dictionary Entries Near cathode ray

cathode glow

cathode ray

cathode-ray oscillograph

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Cite this Entry

“Cathode ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cathode%20ray. Accessed 24 May. 2022.

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More from Merriam-Webster on cathode ray

Britannica.com: Encyclopedia article about cathode ray

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