cathode ray cath·ode ray (kāth'ōd')
A stream of electrons emitted by the cathode in electrical discharge tubes.
One of the electrons that is emitted in a stream from a cathode-ray tube.
|a chattering or flighty, light-headed person.|
|a fool or simpleton; ninny.|
A beam of electrons streaming from the negatively charged end of a vacuum tube (the cathode) toward a positively charged plate (the anode).