cathode ray
noun
a flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam.
Origin of cathode ray
First recorded in 1875–80
Words nearby cathode ray
cathleen,
catho,
cathode,
cathode dark space,
cathode glow,
cathode ray,
cathode rays,
cathode-ray tube,
cathodic,
cathodic protection,
cathodoluminescence
Example sentences from the Web for cathode ray
A cathode-ray photograph of the whale, showing myself, the original Jonah, seated inside.
The Enchanted Typewriter |John Kendrick Bangs
Medical definitions for cathode ray
cathode ray
[ kăth′ōd′ ]
n.
A stream of electrons emitted by the cathode in electrical discharge tubes.
One of the electrons that is emitted in a stream from a cathode-ray tube.
Scientific definitions for cathode ray
cathode ray
A beam of electrons streaming from the negatively charged end of a vacuum tube (the cathode) toward a positively charged plate (the anode).