English

Noun

cathode ray tube ‎(plural cathode ray tubes)

1. (electronics) 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.

Synonyms

• CRT
• picture tube

Translations