1. 
   Perimetrical
   • (a.) Of or pertaining to the perimeter, or to perimetry; as, a perimetric chart of the eye.
   Found op http://thinkexist.com/dictionary/meaning/perimetrical/
   
   
2. 
   perimetrical
   perimetrical, perimetrically Of or pertaining to the perimeter, or to perimetry; as, a perimetrical chart of the eye.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1302/30
   
   

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