cathode ray


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cathode ray

n.
1. An electron emitted from the cathode of an electrical discharge tube, such as a cathode-ray tube.
2. A narrow beam of such electrons.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cath′ode ray`


n.
a flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam.
[1875–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

cathode ray

A beam of electrons streaming from the cathode (positively charged end) of a vacuum tube. When cathode rays strike the anode (negatively charged end) of the vacuum tube with sufficiently high energy, they produce x-rays.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cathode ray - a beam of electrons emitted by the cathode of an electrical discharge tube
electron beam, beam, ray - a group of nearly parallel lines of electromagnetic radiation
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Recycling fees will be assessed for televisions and cathode ray tube monitors ($35 for those 21-inch and larger, $25 for 20-inch or smaller, and $25 for each cathode ray tube monitor).
www.facebook.com/BestGirlAthlete The Cathode Ray Resist CAST your mind back to the golden age of new wave with bands like Devo, Wire and er Toy Dolls.
And Kehayov operated a scrap business from the terraced property and littered his yard with dangerous cathode ray tubes and copper piping.
Combined, the companies made billions of dollars from the sale of cathode ray tubes over that period.
The ban would extend to computers, computer peripherals, monitors, cathode ray tubes, televisions, printers, fax machines, DVD players, stereo equipment, power supply cables and personal electronics such as music players, game consoles and cell phones.
EPA would require any company exporting cathode ray tubes to give the agency notice of the shipment.
CRT chairman David Burton said he had no choice but to seek insolvency advice and shut the Rhydymwyn facility because the cost of making changes - which would allow them to continue storing broken cathode ray tube (CRT) glass - would "put us out of business".
TV market for CCFL LCDs rose to 65.3%, up from 64.6% in the second quarter, with the increase coming at the expense of other display technologies, including plasma, rear projection and cathode ray tube, iSuppli said.
Last month saw no sales of cathode ray tube sets, nearly 85 years after John Logie Baird invented television.
Cathode ray tubes, or CRTs, are made of heavy leaded glass, which is used to block harmful X-rays produced by the tube's cathode ray guns.
The European Commission confirmed, on 26 November, that it recently sent a statement of objections to a number of companies active in the cathode ray tubes industry for their alleged participation in two separate cartels, in breach of treaty rules on restrictive business practices (Article 81).