English

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Etymology

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From photo- +‎ electric.

Adjective

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photoelectric (not comparable)

  1. Of or relating to the electric effects of electromagnetic radiation, especially the ejection of an electron from a surface by a photon.
    • 1963 January, “Diesel washing machine at Ipswich”, in Modern Railways, page 12:
      Photo-electric beams in advance of each section enable automatic operation of the plant.

Derived terms

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Translations

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