(n) a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen, Syn.CRT
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ Gr. &unr_; descent; &unr_; down + &unr_; way. ] (Physics) The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the negative pole; -- opposed to anode. Faraday. [ 1913 Webster ]
Cathode ray (Phys.), a kind of ray generated at the cathode in a vacuum tube, by the electrical discharge. [ 1913 Webster ]
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