# CRT

CEFR C1 · Noun

Source: https://englishreference.com/word/crt
Updated: 2026-05-09

## Definition

Stands for Cathode Ray Tube. An older type of screen used in big, heavy televisions and computer monitors before flat screens were invented. It uses a beam of electrons to create images on a glass surface.

For teachers: Abbreviation for Cathode Ray Tube. A vacuum tube containing one or more electron guns and a phosphorescent screen used to display images. Predominantly found in legacy television sets and computer monitors prior to the widespread adoption of liquid crystal displays.

## Examples

- The old computer monitor was a heavy CRT.
- Retro gaming enthusiasts often prefer playing on a CRT because it handles older graphics more accurately than modern flat screens.
- While modern displays offer higher resolution, the CRT remains valued in niche technical fields for its superior color reproduction and lack of input lag compared to early digital panels.

## Usage notes

- Often used as a modifier before another noun, such as 'monitor' or 'television'.

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