cathode ray tube
See also: cathode-ray tube
English
Noun
cathode ray tube (plural cathode ray tubes)
- (electronics) A vacuum tube that displays still or moving images (such as for a television), by controlling the direction of a cathode ray emitted towards the front of the tube. The front is coated by a layer of fluorescent material, so that it emits light when struck by the beam.
Synonyms
- CRT
- picture tube
Translations
vacuum tube that displays images
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