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magnetic pole

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noun
  1. the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole).
  2. either of the two points on the earth's surface where the dipping needle of a compass stands vertical, one in the arctic, the other in the antarctic.

Origin of magnetic pole

First recorded in 1695–1705
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for magnetic pole

magnetic pole

noun
  1. either of two regions in a magnet where the magnetic induction is concentrated
  2. either of two variable points on the earth's surface towards which a magnetic needle points, where the lines of force of the earth's magnetic field are vertical
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

magnetic pole in Science

magnetic pole

  1. Either of two regions of a magnet, designated north and south, where the magnetic field is strongest. Electromagnetic interactions cause the north poles of magnets to be attracted to the south poles of other magnets, and conversely. The north pole of a magnet is the pole out of which magnetic lines of force point, while the south pole is the pole into which they point. The Earth's geomagnetic “north” and “south” poles are, in fact, magnetically the opposite of what their names suggest; this is why the north end of a compass needle is attracted to the geomagnetic “north” pole. See Note at magnetism. See also magnetic.
  2. Either of two regions of the Earth's surface at which magnetic lines of force are perpendicular to the Earth's surface. The Earth's magnetic poles are close to, but not identical with, both its geographic poles (the North and South Poles) and its geomagnetic poles. See Note at magnetic reversal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

magnetic pole in Culture

magnetic pole

The spot on the Earth toward which a compass needle will point.

Note

The north magnetic pole is not located exactly at the geographic North Pole. Therefore, depending on where a compass is, its needle may not point exactly north.

Note

The variation between magnetic north and “true” north is usually shown on navigation maps as the “angle of declination.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.