cathode ray tube

== English == === Alternative forms === cathode-ray tube === Pronunciation === === 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, (historical) Braun tube Hyponyms: television tube, teletube ==== Translations ==== ==== Further reading ==== cathode ray tube on Wikipedia.Wikipedia