Picture tube
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 In a television set, before the development of LED screens, the cathode ray tube which produced moving images on its surface.
"The conventional TV picture tube, whose monstrous bubble of vacuum is responsible for most of the bulk of the TV cabinet, may be on its way out. Electronics men have long dreamed of shrinking the tube to a flat plate not much bigger than the picture."
- 2 a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen wordnet
Example
More examples"The conventional TV picture tube, whose monstrous bubble of vacuum is responsible for most of the bulk of the TV cabinet, may be on its way out. Electronics men have long dreamed of shrinking the tube to a flat plate not much bigger than the picture."