cathode rays


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Related to cathode rays: Anode rays

cathode rays

pl n
(General Physics) a stream of electrons emitted from the surface of a cathode in a valve
References in periodicals archive ?
He knew the glow couldn't have been caused by cathode rays so he named the source X-rays.
Work on cathode rays by Goldstein (see 1876) and by Crookes (see 1861) had come to interest a number of physicists in the subject.
There were still some who thought that cathode rays were a wave form and doubted Crooke's observation that they carried electric charges.