English edit

Etymology edit

photo- +‎ irradiation

Noun edit

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.