1. 
   Photochemical
   Geographical items should also be marked with {tl|Oceania-geo-stub} (see discussion page for details). ...
   Found op http://en.wikipedia.org/wiki/Photochemical
   
   
2. 
   photochemical
   [adj] - of or relating to or produced by the effects of light on chemical systems
   Found op http://www.webdictionary.co.uk/definition.php?query=photochemical
   
   
3. 
   Photochemical
   Pho`to·chem'ic·al adjective [ Photo- + chemical .] (Chemistry) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
   Found op http://www.encyclo.co.uk/webster/P/76
   
   
4. 
   photochemical
   <chemistry> Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina. ... Origin: Photo- + chemical. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?photochemical
   
   
5. 
   photochemical
   adjective of or relating to or produced by the effects of light on chemical systems
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=photochemical
   
   
6. 
   Photochemical
   • (a.) Of or pertaining to chemical action of light, or produced by it; as, the photochemical changes of the visual purple of the retina.
   Found op http://thinkexist.com/dictionary/meaning/photochemical/
   
   
7. 
   photochemical
   photochemical Referring to the chemical properties of light; chemically reactive in the presence of light or other radiation.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2432/6
   
   
8. 
   photochemical
   Refers to the effect of light in causing or modifying chemical reactions. In a photochemical reaction, incident photons are absorbed by reactant molecules to give excited molecules or free radicals, which undergo furthe reaction.
   Found op http://www.daviddarling.info/encyclopedia/P/photochemical.html
   
   
9. 
   photochemical
   Type: Term Pronunciation: fō′tō-kem′i-kăl Definitions: 1. Denoting chemical changes caused by or involving light.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=68590
   
   
10. 
    photochemical
    1) Chemical science 2) Chemistry
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/photochemical/1
    
    

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