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An instrument that uses a magnetized steel bar to indicate direction relative to the earth's magnetic poles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) a compass containing a magnetic needle pivoted in a horizontal plane, that indicates the direction of magnetic north at points on the earth's surface
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
An instrument containing a freely suspended magnetic element which displays the direction of the horizontal component of the Earth's magnetic field at the point of observation.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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|Noun||1.||magnetic compass - compass based on an indicator (as a magnetic needle) that points to the magnetic north|
compass - navigational instrument for finding directions
compass card, mariner's compass - compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
magnetic needle - a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
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