Agonic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Agonic \A*gon"ic\, a. [Gr. ? without angles; 'a priv. + ? an
     angle.]
     Not forming an angle.
     [1913 Webster]
  
     {Agonic line} (Physics), an imaginary line on the earth's


        surface passing through those places where the magnetic
        needle points to the true north; the line of no magnetic
        variation. There is one such line in the Western
        hemisphere, and another in the Eastern hemisphere.
        [1913 Webster]