English

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Etymology

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photo- +‎ irradiation

Noun

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photoirradiation (uncountable)

  1. irradiation with light
    • 2007 April 17, Henry Fountain, “In Arctic Foxes, Clues to Effects of Shrinking Habitat”, in New York Times[1]:
      Materials that can be deformed by photoirradiation are not unknown, but generally consist of polymer films and gels and are rather slow-acting.