1. 
   Photochromic
   The result of the debate was DELETE. — JIP | Talk 07:50, 25 October 2005 (UTC) ===Madonna album covers and chart statistics=== Redundant with Madonna discography. Essentially a reprise of the album section with pictures added. FuriousFreddy 01:00, 17 October 2005 (UTC) ...
   Found op http://en.wikipedia.org/wiki/Photochromic
   
   
2. 
   photochromic
   Synonym for photochromatic ... Of or pertaining to photochromy; produced by photochromy. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?photochromic
   
   
3. 
   Photochromic
   • (a.) Alt. of Photochromatic
   Found op http://thinkexist.com/dictionary/meaning/photochromic/
   
   
4. 
   photochromic
   photochromic 1. A reference to a material, such as certain glass or film, which turns dark when exposed to light and returns to its normal transparency with the removal of the light source. 2. Relating to, or characterized by, changing color as a result of exposure to incident radiation.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2803/6
   
   
5. 
   PHOTOCHROMIC
   A lens made of a material that changes colour as a result of exposure to UV light and heat.
   Found op http://eyediologyopticians.co.uk/pages/Eye-terms-explained.html
   
   

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