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Noun: cathode-ray tube
  1. 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
    - CRT

Derived forms: cathode-ray tubes

Type of: gas-discharge tube

Part of: cathode-ray oscilloscope, computer, computing device, computing machine, CRO, data processor, electronic computer, information processing system, oscilloscope, scope, television, television system, TV

Encyclopedia: Cathode-ray tube