magnetic equator
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magnetic equator
[mag′ned·ik i′kwād·ər] (geophysics)
That line on the surface of the earth connecting all points at which the magnetic dip is zero. Also known as aclinic line.
magnetic equator
A line drawn on a map or a chart connecting all points at which the magnetic inclination, or magnetic dip, is zero. A magnetic needle at these places balances horizontally without dipping. Also called an aclinic line