noun
a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
• Syn: ↑CRT
• Hypernyms: ↑gas-discharge tube
• Hyponyms: ↑Crookes tube, ↑kinescope, ↑picture tube, ↑television tube
• Part Holonyms:
↑oscilloscope, ↑scope, ↑cathode-ray oscilloscope, ↑CRO, ↑television, ↑television system, ↑computer, ↑computing machine, ↑computing device, ↑data processor, ↑electronic computer, ↑information processing system
• Part Meronyms: ↑electron gun, ↑screen, ↑CRT screen
* * *
noun, pl ⋯ tubes [count]
: a large tube that shows a picture on a screen (such as a television or computer screen) — abbr. CRT
Useful english dictionary. 2012.