Cathode-ray Tube (Noun)
Meaning
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.
Classification
Nouns denoting man-made objects.
Examples
- The old television set used a cathode-ray tube to project images onto the screen for viewing.
- Cathode-ray tubes were widely used in the early days of computer monitors and televisions.
- The physicist carefully designed an experiment using a cathode-ray tube to study the behavior of electrons in a vacuum.
- In the 1980s, many households had cathode-ray tube televisions that were bulky and energy-intensive.
- The invention of flat-screen displays led to the decline of cathode-ray tube technology in consumer electronics.