ALL meanings of cathode-ray tube
cathode-ray tube
C c - countable noun cathode-ray tube A cathode-ray tube is a device in televisions and computer terminals which sends an image onto the screen. 3
- noun cathode-ray tube a valve in which a beam of high-energy electrons is focused onto a fluorescent screen to give a visible spot of light. The device, with appropriate deflection equipment, is used in television receivers, visual display units, oscilloscopes, etc 3
- noun cathode-ray tube a vacuum tube in which a stream of electrons is electromagnetically focused on a fluorescent screen, producing lighted dots: such tubes are used as oscilloscopes and picture tubes: abbrev. CRT 3
- noun cathode-ray tube A cathode ray tube is a vacuum tube containing an electron gun and a fluorescent screen, that is used to display images. 3
- noun cathode-ray tube a vacuum tube generating a focused beam of electrons that can be deflected by electric fields, magnetic fields, or both. The terminus of the beam is visible as a spot or line of luminescence caused by its impinging on a sensitized screen at one end of the tube. Cathode-ray tubes were formerly commonly used to study the shapes of electric waves, to reproduce images in television receivers, to display alphanumeric and graphical information on computer monitors, as an indicator in radar sets, etc. Abbreviation: CRT. 1
- noun cathode-ray tube a vacuum tube in which electrons from a heated cathode are focused and deflected onto a phosphorescent screen; used in television sets etc. 0