1. 
   Antivivisectionist
   An`ti·viv`i·sec'tion·ist noun One opposed to vivisection
   Found op http://www.encyclo.co.uk/webster/A/99
   
   
2. 
   Antivivisectionist
   • (n.) One opposed to vivisection
   Found op http://thinkexist.com/dictionary/meaning/antivivisectionist/
   
   
3. 
   antivivisectionist
   antivivisectionist Someone who opposes vivisection or any form of live animal experimentation.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1925/
   
   

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