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Noun: actinic radiation  ak'ti-nik,rey-dee'ey-shun
  1. Electromagnetic radiation that can produce photochemical reactions
    "Actinic radiation is used in phototherapy treatments";
    - actinic ray

Derived forms: actinic radiations

Type of: electromagnetic radiation, electromagnetic wave, nonparticulate radiation

Part of: electromagnetic spectrum

Encyclopedia: Actinic radiation