- cathode-ray tube, CRT - 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
--1 is a kind of gas-discharge tube
--1 is a part of
--1 has parts: electron gun; screen, CRT screenoscilloscope, scope, cathode-ray oscilloscope, CRO; television, television system; computer, computing machine, computing device, data processor, electronic computer, information processing system
--1 has particulars: Crookes tube; kinescope, picture tube, television tube