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Related to actinic ray: actinic radiation
Photochemically active radiation, as of the sun.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||actinic ray - 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"
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