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cathode ray

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
cathode ray
n.
1. A stream of electrons emitted by the cathode in electrical discharge tubes.
2. One of the electrons that is emitted in a stream from a cathode-ray tube.
cathode ray
A beam of electrons streaming from the negatively charged end of a vacuum tube (the cathode) toward a positively charged plate (the anode).
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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LG Philips is a Hong Kong-based maker of cathode ray tubes (CRTs) used in televisions and monitors.
Ecoglass secures LG Philips contract by Recycling Today
Those electronics are now banned from California landfills because the cathode ray tubes and liquid crystal display or LCD monitors contain toxic metals that can leach from dumps over time.
ELECTRONICS BUYERS TO PAY NEW RECYCLING TAX TOXIC WASTE FOUND IN ... by Daily News (Los Angeles, CA)
Nine of 30 cathode ray tubes from color computer monitors passed the standard shredded-parts test even though separate tests have shown that most of these tubes contain huge amounts of lead (SN: 11/4/00, p.
Testing computers' hazardous potential by Science News
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