Definition: A vacuum tube equipped with an electron emitting CATHODE and a fluorescent screen which emits visible light when excited by the cathode ray. Cathode ray tubes are used as imaging devises for TELEVISIONS; COMPUTER TERMINALS; TEXT TELECOMMUNICATION DEVICES; oscilloscopes; and other DATA DISPLAY devices.
Other names Tubes, Cathode Ray; Tube, Cathode Ray; Rays, Cathode; Ray, Cathode; Ray Tubes, Cathode; Ray Tube, Cathode; Cathode Ray; Cathode Ray Tubes; Cathode Rays; Cathode Ray Tube Display