ALL meanings of agonic line
a·gon·ic line
A a - noun agonic line an imaginary line on the surface of the earth connecting points of zero magnetic declination 3
- noun agonic line an imaginary line on the earth's surface along which true north and magnetic north are identical, and a compass needle makes no angle with the meridian 3
- noun agonic line an imaginary line on the surface of the earth connecting all points at which the declination of the magnetic field of the earth is zero. 1
- noun agonic line (cartography, navigation) A line on a chart or map joining points of zero magnetic declination. 0