Dictionary

cathode–ray tube

noun

: a large tube that shows a picture on a screen (such as a television or computer screen)

Full Definition of CATHODE-RAY TUBE

:  a vacuum tube in which a beam of electrons is projected on a phosphor-coated screen to produce a luminous spot at a point on the screen determined by the effect on the electron beam of a variable magnetic field within the tube
ADVERTISEMENT

First Known Use of CATHODE-RAY TUBE

1905
Medical Dictionary

cathode–ray tube

noun

Medical Definition of CATHODE–RAY TUBE

:  a vacuum tube in which a beam of electrons is projected on a fluorescent screen to produce a luminous spot

Browse

Next Word in the Dictionary: cathode spotPrevious Word in the Dictionary: cathode–ray oscillographAll Words Near: cathode-ray tube
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears