cathode-ray tube

Noun

1.

cathode-ray tube - 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 Synonyms: CRT

cathode-ray oscilloscope, computer, computing device, computing machine, CRO, Crookes tube, CRT, CRT screen, data processor, electron gun, electronic computer, gas-discharge tube, information processing system, kinescope, oscilloscope, picture tube, scope, screen, television, television system, television tube