Cathode Ray

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˈkæˌθoʊd reɪ/

And if I evacuate it, I have a cathode ray tube.
Lead blended into the glass of cathode ray tubes, electronic components, and fluorescent tubes;
In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
In cathode ray tubes, the small area on the screen surface which is bombarded by the electron beam.
So rather than calling this an electron beam, this was called a cathode ray.

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