a piece of equipment in televisions and some computers that creates the image on the screen. A beam of high-energy electrons is directed towards the screen, where it makes different spots of colour shine with light to make a picture.
Synonyms and related words
Television and radio equipment
aerial
antenna
Autocue
Synonyms and related words
General computer equipment and parts
accelerated graphics port
accelerator card
ADC
cathode ray tube
noun countable physics
US
Word Forms
singular
cathode ray tube
plural
cathode ray tubes
DEFINITIONS1
1
a piece of equipment in televisions and some computers that creates the image on the screen. A beam of high-energy electrons is directed toward the screen, where it makes different spots of color shine with light to make a picture.