vidicon

noun, often capitalized
vid·​icon | \ ˈvi-di-ˌkän How to pronounce vidicon (audio) \

Definition of vidicon

: a camera tube using the principle of photoconductivity

First Known Use of vidicon

1950, in the meaning defined above

History and Etymology for vidicon

video entry 2 + icon(oscope)

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The first known use of vidicon was in 1950

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