picture tube
pic·ture tube • n. Electr. the cathode-ray tube of a television set designed for the reproduction of television pictures.
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picture , pic·ture / ˈpikchər/ • n. a painting or drawing: draw a picture of a tree. ∎ a photograph: we were warned not to take pictures. ∎ a portrait: have he… Cathode-ray Tube , cathode ray Radiation emitted by the cathode of a thermionic electron valve containing a gas at low pressure. In 1897 J. J. Thomson identified the ra… Philo Taylor Farnsworth , Philo T. Farnsworth (1906-1971) is known as the father of television by proving, as a young man, that pictures could be televised electronically.
On… Cat Scan , A computerized axial tomography (CAT) scan is a special type of X-ray used for viewing the internal organs of patients. Although a regular chest X-ra… Television , At the same time radio began to achieve commercial viability in the 1920s, the United States and Britain began experimenting with "television," the w… Ray , ray1 / rā/ • n. 1. each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening:…
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picture tube