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magnetic declination

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noun Navigation.
  1. variation(def 8).
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for magnetic declination

magnetic declination

noun
  1. the angle that a compass needle makes with the direction of the geographical north pole at any given point on the earth's surfaceAlso called: declination, magnetic variation
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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 declination in Science

magnetic declination

  1. The horizontal angle between the true geographic North Pole and the magnetic north pole, as figured from a specific point on the Earth. Compare magnetic inclination.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.