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photocathode
[ foh-toh-kath-ohd ]
noun
- a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.
photocathode
/ ˌfəʊtəʊˈkæθəʊd /
noun
- a cathode that undergoes or is used for photoemission
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Word History and Origins
Origin of photocathode1
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Example Sentences
Not that the rugged photocathode tube needs much protection.
From Popular-Science
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