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A cathode-ray tube in a television that translates electrical signals into a visible picture on a luminescent screen.
(Electronics) another name for television tube
a cathode-ray tube with a screen at one end on which televised images are reproduced.
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|Noun||1.||picture tube - a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen|
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
color television tube, color tube, color TV tube, colour television tube, colour tube, colour TV tube - a television tube that displays images in full color