1. 
   Refringency
   Re·frin'gen·cy noun The power possessed by a substance to refract a ray; as, different substances have different refringencies . Nichol.
   Found op http://www.encyclo.co.uk/webster/R/37
   
   
2. 
   refringency
   Synonym for refractivity ... Refractive power. ... Synonym: refringency. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?refringency
   
   
3. 
   Refringency
   • (n.) The power possessed by a substance to refract a ray; as, different substances have different refringencies.
   Found op http://thinkexist.com/dictionary/meaning/refringency/
   
   
4. 
   refringency
   Type: Term Pronunciation: rē-frin′jen-sē Synonyms: refractivity
   Found op http://www.medilexicon.com/medicaldictionary.php?t=77025
   
   

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