Definition of xerath:
		
            
            
              
                "The zeroth order polynomial approximation is constant."
              
            
          
            
              °Corresponding to a position preceding the first.
            
	 
 
 
	
		
		
		Definition of xerath:
		
            
            
              
                "The zeroth order polynomial approximation is constant."
              
            
          
            
              °Corresponding to a position preceding the first.