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Noun: picture tube  pik-chur t(y)oob
  1. A cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen
    "Old televisions relied on picture tubes to display images";
    - kinescope, television tube

Derived forms: picture tubes

Type of: cathode-ray tube, CRT

Part of: boob tube [N. Amer, informal], box [Brit, informal], goggle box [Brit, informal], idiot box [N. Amer, informal], television, television receiver, television set, telly [Brit, informal], tv, tv set

Encyclopedia: Picture tube