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photocathode [ˌfəʊtəʊ'kæθəʊd, ˌfoʊt̬oʊ'kæθoʊd] n
light.	كاثود ضوئي
photocathode in a camera tube [ˌfəʊtəʊ'kæθəʊd, ˌfoʊt̬oʊ'kæθoʊd] n
radio	مهبط ضوئي في انبوب آلة التصوير