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magnetic equator[mag′ned·ik i′kwād·ər]
That line on the surface of the earth connecting all points at which the magnetic dip is zero. Also known as aclinic line.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved