magnetic declination

British  

noun

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

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magnetic declination Scientific  

1. The horizontal angle between the true geographic North Pole and the magnetic north pole, as figured from a specific point on the Earth.

2. Compare magnetic inclination

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Example Sentences

See Examples For:

magnetic declination

Now, here is what we know with most certainty as to the magnetic declination of Paris at the epoch in question: Years.

From Scientific American Supplement, No. 810, July 11, 1891 by Various

If there is a true meridian on the map, but not a magnetic meridian, one may be constructed as follows, if the magnetic declination is known: Fig.

From Manual of Military Training Second, Revised Edition by James A. (James Alfred) Moss

He has further applied the method to the study of the variations of the magnetic declination, and of sun-spot records.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 8 "Haller, Albrecht" to "Harmonium" by Various

Men were invited to believe that a subterranean freely-rotating nucleus occasions by its position the diurnal and annual changes of magnetic declination.

From COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 by Alexander von Humboldt

While Murphy and Laseron went back two miles to recover them, Webb secured a magnetic declination and I took sun observations for time and azimuth.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Sir Douglas Mawson

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