1. 
   diametrical
   1. Of or pertaining to a diameter. ... 2. As remote as possible, as if at the opposite end of a diameter; directly adverse. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?diametrical
   
   
2. 
   diametrical
   polar adjective characterized by opposite extremes; completely opposed; `in diametric contradiction to his claims`; `diametrical (or opposite) points of view`; `opposite meanings`; `extreme and indefensible...
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=diametrical
   
   
3. 
   Diametrical
   • (a.) Of or pertaining to a diameter. • (a.) As remote as possible, as if at the opposite end of a diameter; directly adverse.
   Found op http://thinkexist.com/dictionary/meaning/diametrical/
   
   
4. 
   diametrical
   1) Diametral 2) Diametric 3) Straight line
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/diametrical/1
   
   

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