agonic

• POS: Adjective
• HYPHEN: a=gon=ic

CIDE DICTIONARY

agonic, 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.

OXFORD DICTIONARY

agonic, adj. having or forming no angle.

Idiom

agonic line a line passing through the two poles, along which a magnetic needle points directly north or south.

Etymology

Gk agonios without angle (as A-(1), gonia angle)