fluorescent tube
71cathode-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 …
72characteristic fluorescent rays — secondary rays emitted as a result of the rearrangement of electrons in the inner shells of atoms; identical with characteristic rays (q.v.) except that characteristic rays are caused by the bombardment of the x ray tube target by electrons,… …
73fluorescence and fluorescent lamps — The emission of electromagnetic radiation, especially of visible light, stimulated in a substance by the absorption of incident radiation and persisting only as long as the stimulating radiation is continued. Also, the property of emitting… …
74Compact Fluorescent — A smaller version of standard fluorescent lamps which can directly replace standard incandescent lights. These lights consist of a gas filled tube, and a magnetic or electronic ballast …
75compact fluorescent light bulb — noun a small fluorescent light with its tube shaped in various compact ways, so as to fit into most standard light fittings; using less energy and having a longer life than a traditional light bulb. Also, CFL …
76image tube — noun Date: 1936 an electron tube in which incident electromagnetic radiation (as light or infrared) produces a visible image on its fluorescent screen duplicating the original pattern of radiation called also image converter …
77electron-ray tube — /i lek tron ray /, Electronics. a small cathode ray tube having a fluorescent screen on which the pattern varies with the voltage applied to the grid: used chiefly in radio receivers to indicate accuracy of tuning. Also called electric eye. * * * …
78cathode ray tube — noun a high vacuum tube in which cathode rays produce a luminous image on a fluorescent screen …
79braun tube — ˈbrau̇n noun Usage: usually capitalized B Etymology: after Karl F. Braun died 1918 German physicist : a cathode ray tube with a diaphragm through which a beam of cathode rays can pass and a fluorescent screen on which the beam is received …
80electron-ray tube — noun : electric eye 2 * * * /i lek tron ray /, Electronics. a small cathode ray tube having a fluorescent screen on which the pattern varies with the voltage applied to the grid: used chiefly in radio receivers to indicate accuracy of tuning.… …
