bn:00052717n
Noun Concept
Categories: Geomagnetism, Orientation (geometry), Angle
EN
magnetic declination  magnetic variation  variation  magnetic north  North Magnetic Pole
EN
The angle (at a particular location) between magnetic north and true north WordNet 3.0
Definitions
Relations
Sources
EN
The angle (at a particular location) between magnetic north and true north WordNet 3.0 & Open English WordNet
Magnetic declination, or magnetic variation, is the angle on the horizontal plane between magnetic north and true north. Wikipedia
Angle that must be added or subtracted in the use of compass for geography Wikipedia Disambiguation
Difference between magnetic north and true north, measured as an angle Wikipedia Disambiguation
The point on the surface of Earth's Northern Hemisphere at which the planet's magnetic field points vertically downwards. OmegaWiki
The horizontal angle between magnetic north and true north at a given place. Wiktionary
Angle between magnetic and geographic meridians. Wiktionary (translation)
In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north. Wiktionary
The angular difference at the vessel between the direction of true north and magnetic north. Wiktionary