cathode-ray tube

A form of cathode ray tube — A vacuum tube that displays still or moving images (such as for a television), by controlling the direction of a cathode ray emitted towards the front of the tube. The front is coated by a layer of fluorescent material, so that it emits light when struck by the beam.

Similar

Meanings

nouncathode-ray tube (plural cathode-ray tubes)

plural cathode-ray tubes

  1. alternativeAlternative form of cathode ray tube.

Synonyms & antonyms

nouna 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

Similar
Broader
gas-discharge tube
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

cathode-ray tube. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cathode-ray%20tube

MLA

“cathode-ray tube.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cathode-ray%20tube. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cathode-ray tube,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cathode-ray%20tube.

Source: cathode-ray tube on Wiktionary, CC BY-SA 4.0.