1. 
   quadrants
   The four regions of the coordinate plane
   Example:
   
   Found op http://www.hbschool.com/glossary/math2/index6.html
   
   
2. 
   quadrants
   <dentistry> The four parts of your mouth, that is the upper left, the upper right, the lower left, and the lower right. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?quadrants
   
   
3. 
   Quadrants
   The four parts of your mouth, that is the upper left, the upper right, the lower left, and the lower right.
   Found op http://www.bracesinfo.com/glossary.html
   
   

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