cathode ray
nounDefinition 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
Above them hang artifacts from home: lamps, a table, and an old-fashioned cathode ray tube television. — Lauren Warnecke, chicagotribune.com, "'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. 2017These 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.
Keep scrolling for more
Comments on cathode ray
What made you want to look up cathode ray? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Roman Mythology Quiz
-
- Boreal comes from the name of the ancient Greek god of which wind?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Words from Greek and Roman Mythology Quiz
A mythological/etymological mashup!
Take the quiz -
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share cathode ray
Resources for cathode ray