cathode ray


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 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, "All hail Luna 3, rightful king of 1950s space missions," 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, "75 years ago, an anxious Seattle turned to radio, newspapers to learn about the D-Day invasion," 2 June 2019 Anyone who remembers working with cathode ray tube monitors is familiar with the phenomenon of coil whine. Sean Gallagher, Ars Technica, "Researchers find way to spy on remote screens—through the webcam mic," 28 Aug. 2018 Above them hang artifacts from home: lamps, a table, and an old-fashioned cathode ray tube television. Lauren Warnecke,, "'Poor People’s TV Room' mixes Boko Haram history with Oprah — and is a tough, tough piece to unpack," 13 Apr. 2018 As Gaming Editor Kyle Orland described the concept: Her Story takes place entirely within the creaky interface of a late-'90s database terminal, complete with a cathode ray tube screen that reflects the fluorescent lights behind you. Nathan Mattise, Ars Technica, "Shall we play a game? WarGames gets interactive reboot from Her Story dev," 6 Dec. 2017 Items that will be collected at the event for a cash only fee include television sets ($25 each) and cathode ray tube computer monitors ($10 each). Milwaukee, Milwaukee Journal Sentinel, "Pewaukee will host electronics recycling collection at Waukesha County Technical College," 31 Oct. 2017 Clearly, the 1998 Compaq Presario 2200 desktop computer reigns supreme in every measurable way: battery life, a tactical keyboard, utilization of cathode ray tube technology. Ashwin Rodrigues, Fortune, "New iPhones to Give Stiff Competition to the 1998 Compaq Presario 2200," 14 Sep. 2017

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.

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First Known Use of cathode ray

1880, in the meaning defined at sense 1

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Time Traveler for cathode ray

Time Traveler

The first known use of cathode ray was in 1880

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Statistics for cathode ray

Last Updated

22 Dec 2019

Cite this Entry

“Cathode ray.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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