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cathode ray [cathode rays]▼(ray consisting of a stream of electrons)noun[UK: ˈkæ.θəʊd reɪ] [US: ˈkæθoʊd ˈreɪ]
cathode ray tube▼(vacuum tube that displays images)noun[UK: ˈkæ.θəʊd reɪ tjuːb] [US: ˈkæθoʊd ˈreɪ ˈtuːb]
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