cathode ray

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  • noun

Words related to cathode ray

a beam of electrons emitted by the cathode of an electrical discharge tube

References in periodicals archive ?
Radiation was clearly emerging from the tube when the cathode rays were streaming, and was penetrating matter to some extent.
Hertz, the discoverer of radio waves (see 1888), had found that cathode rays could pass through thin sheets of metal, and this seemed to favor their being a wave form.
By now Perrin's work had convinced everyone that cathode rays consisted of negatively charged particles (see 1895).
There was some question about the nature of the cathode rays to which Goldstein had given a name (see 1876).
Today, most monitors are cathode ray tube (CRT) devices that employ the same technology as your television.