electromagnetically focused cathode-ray tube

См. также в других словарях:

• cathode-ray tube — [kath′ōd′ rā΄] n. a vacuum tube in which a stream of electrons is electromagnetically focused on a fluorescent screen, producing lighted dots: such tubes are used as oscilloscopes and picture tubes: abbrev. CRT …   English World dictionary

• cathode-raytube — cath·ode ray tube (kăthʹōd rā ) Precision Graphics n. Abbr. CRT A vacuum tube in which a hot cathode emits electrons that are accelerated as a beam through a relatively high voltage anode, further focused or deflected electrostatically or… …   Universalium