cathode-ray tube

/ˌkæˈθoʊd reɪ tub/
IPA guide

Definitions of cathode-ray tube
  1. 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
    synonyms: CRT
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    types:
    Crookes tube
    the original gas-discharge cathode-ray tube
    kinescope, picture tube, television tube
    a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen
    color TV tube, color television tube, color tube, colour TV tube, colour television tube, colour tube
    a television tube that displays images in full color
    type of:
    gas-discharge tube
    a tube in which an electric discharge takes place through a gas
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