Longman Dictionary of Contemporary English homepage

cathode ray tube

noun
     
cathode ray tube [countable]
TDAMT a piece of equipment used in televisions and computers, in which electrons from the cathode produce an image on a screen

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary