actinic ray


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Related to actinic ray: actinic radiation

actinic ray

n.
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.

actin′ic ray′


n.
a ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects.
[1835–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.actinic ray - electromagnetic radiation that can produce photochemical reactionsactinic 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"
ultraviolet, ultraviolet illumination, ultraviolet light, ultraviolet radiation, UV - radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In cattle, the eye cancers may occur due to prolonged exposure to actinic rays of sun (Sastry and Rao, 2005).
It is postulated that probably actinic rays of the sun are of etiological importance since bullocks are worked in the hot sun and so are exposed to them.
Bullocks with gray skin color when put to work in hot sun, are exposed to actinic rays, predisposing factors to develop nevus into a malignant growth (Boyd, 1970).