1. 
   Oxon
   [chemical] A chemical oxon is an organic compound derived from another chemical in which a phosphorus-sulfur bond in the parent chemical has been replaced by a phosphorus-oxygen bond in the derivative. Important examples of oxons can be found in the family of pesticides known as organophosph...
   Found op http://en.wikipedia.org/wiki/Oxon_(chemical)
   
   
2. 
   Oxon
   Oxon, England: see Oxfordshire.
   Found op http://www.infoplease.com/ce6/world/A0917114.html
   
   
3. 
   Oxon
   Oxford
   Found op http://munksroll.rcplondon.ac.uk/Home/Glossary
   
   
4. 
   oxon
   1) Oxfordshire for short
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/oxon/1
   
   

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