photoelectric

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English[edit]

Etymology[edit]

photo- +‎ electric

Adjective[edit]

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.

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