Magnetic variation

noun

Definitions

Noun
  1. 1
    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. countable, uncountable
  2. 2
    the angle (at a particular location) between magnetic north and true north wordnet
  3. 3
    In cartography, the annual change in direction of the horizontal component of the Earth’s magnetic field. countable, uncountable

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