crt(n = noun.artifact) cathode-ray tube - 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; Array
is a kind of gas-discharge tube
is a part of computer, computing device, computing machine, data processor, electronic computer, information processing system, cathode-ray oscilloscope, cro, oscilloscope, scope, television, television system
has parts: electron gun, crt screen, screen
has particulars: crookes tube, kinescope, picture tube, television tube
crt, abbr. cathode-ray tube.