aclinic line


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aclinic line

[a′klin·ik ′līn]
(geophysics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

aclinic

aclinicclick for a larger image
The line through those points on the earth's surface at which the magnetic dip is zero. The aclinic line is a particular case of an isoclinic line. On this line, a magnetic needle balances horizontally without dipping (i.e., the angle of dip is zero). Also called dip equator, magnetic equator, or 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
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved