1. 
   Actinic Ray
   A ray of light of short wavelengths, as ultraviolet or violet, that produces photochemical effects. See also: Actinic, Wavelength.
   Found op http://www.diracdelta.co.uk/science/source/a/c/actinic%20ray/source.html
   
   
2. 
   actinic ray
   A light ray toward and beyond the violet end of the spectrum that acts upon a photographic plate and produces other chemical effects. ... Synonym: chemical ray. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?actinic+ray
   
   
3. 
   actinic ray
   Type: Term Definitions: 1. a light ray toward and beyond the violet end of the spectrum that acts upon a photographic plate and produces other chemical effects. Synonyms: chemical ray
   Found op http://www.medilexicon.com/medicaldictionary.php?t=75969
   
   

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