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|Noun||1.||actinic radiation - electromagnetic radiation that can produce photochemical reactions|
electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
electromagnetic spectrum - the entire frequency range of electromagnetic waves
infrared emission, infrared light, infrared radiation, infrared - electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"