The cathode ray tube of a television set designed for the reproduction of television pictures.
〔电子〕（电视机的）显像管
Example sentencesExamples
A flat-panel TV has no glass picture tube and, therefore, no lead (though it still contains mercury and other toxic substances).
Manufacturers are responding by designing a much shallower picture tube.
Screensavers are no longer required to protect your monitor from burning the image of whatever is on the screen permanently into the picture tube: instead, they've become an entertaining diversion.
It was not uncommon for an average black and white TV to need a service call at least once a year and replacing the horribly expensive picture tube was a job that kept the apprentices in our workshop pretty busy every day.
According to a preferred embodiment the parts are spatially separated and mechanically independent, with the part intended for geometry error correction being positioned closer to the screen of the picture tube.
Definition of picture tube in US English:
picture tube
noun
Electronics
The cathode ray tube of a television set designed for the reproduction of television pictures.
〔电子〕（电视机的）显像管
Example sentencesExamples
Screensavers are no longer required to protect your monitor from burning the image of whatever is on the screen permanently into the picture tube: instead, they've become an entertaining diversion.
Manufacturers are responding by designing a much shallower picture tube.
A flat-panel TV has no glass picture tube and, therefore, no lead (though it still contains mercury and other toxic substances).
According to a preferred embodiment the parts are spatially separated and mechanically independent, with the part intended for geometry error correction being positioned closer to the screen of the picture tube.
It was not uncommon for an average black and white TV to need a service call at least once a year and replacing the horribly expensive picture tube was a job that kept the apprentices in our workshop pretty busy every day.