| English Dictionary |
CATHODE RAY
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| IPA (US): |  |
Dictionary entry overview: What does cathode ray mean?
• CATHODE RAY (noun)
The noun CATHODE RAY has 1 sense:
1. a beam of electrons emitted by the cathode of an electrical discharge tube
Familiarity information: CATHODE RAY used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A beam of electrons emitted by the cathode of an electrical discharge tube
Classified under:
Nouns denoting natural phenomena
Hypernyms ("cathode ray" is a kind of...):
beam; electron beam; ray (a group of nearly parallel lines of electromagnetic radiation)
Context examples
An electronic device designed to display electrical measurements, typically as a waveform on a cathode ray tube.
(Oscilloscope Device Component, NCI Thesaurus)
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