Definition of Magnetic declination

1. Noun. The angle (at a particular location) between magnetic north and true north.

Exact synonyms: Magnetic Variation, Variation
Generic synonyms: Angle
Derivative terms: Vary

Definition of Magnetic declination

1. Noun. (context: military nautical navigation) The angle between the magnetic and geographical meridians at any place, expressed in degrees east or west to indicate the direction of magnetic north from true north. In nautical and aeronautical navigation, the term magnetic variation is used instead of magnetic declination and the angle is termed '''variation of the compass''' or magnetic variation. Magnetic declination is not otherwise synonymous with magnetic variation which refers to regular or irregular change with time of the magnetic declination, dip, or intensity'''Joint Publication 1-02 ''U.S. Department of Defense Dictionary of Military and Associated Terms; 12 April 2001 (As Amended Through 14 April 2006).'''''. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Magnetic Declination

magnetencephalography
magnetic
magnetic North Pole
magnetic anisotropy
magnetic attraction
magnetic axis
magnetic bearing
magnetic bearings
magnetic bottle
magnetic bubble memory
magnetic circuit
magnetic confinement
magnetic confinement fusion
magnetic core
magnetic declination
magnetic declinations
magnetic dip
magnetic dipole
magnetic dipole moment
magnetic disc
magnetic disk
magnetic energies
magnetic energy
magnetic equator
magnetic field
magnetic field gradient
magnetic field strength
magnetic fields
magnetic flux

Literary usage of Magnetic declination

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1869)
"On the Solar and Lunar Variations of magnetic declination at Bombay. ... The hourly observations of magnetic declination at the Government Observatory, ..."

2. Arctic Explorations: The Second Grinnell Expedition in Search of Sir John by Elisha Kent Kane (1856)
"Tables of hourly readings of the changes of the magnetic declination at ... The scale reading 280 corresponds to a magnetic declination of 108° 3' west of ..."

3. The Dictionary of National Biography by Sidney Lee (1909)
"On some Conclusions derived from the Observations of the magnetic declination at the Observatory of St. Helena,' 1854. 24. ' Reply (drawn up by Sabine) of ..."

4. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1862)
"On the Lunar-Diurnal Variation of the magnetic declination obtained from the Kew Photograms* in the years 1858, 1859, and 1860." By Major-General EDWARD ..."

5. Proceedings of the Royal Irish Academy by Royal Irish Academy (1841)
"H. Lloyd, VP, gave an account of a series of observations of the Magnetic Declination, made by Professor Bache of Philadelphia and himself, in the hope of ..."

6. Elementary Treatise on Physics Experimental and Applied by Adolphe Ganot (1879)
"The declination compass is an instrument by which the magnetic declination of any place may be measured when its astronomical meridian is known. ..."

7. Plane Surveying: A Text-book and Pocket Manual by John Clayton Tracy (1907)
"magnetic declination. In Part III it is explained that— 1. Except in a few localities the magnetic needle does not, point to the true north, ..."

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