magnetic variation

English

Noun

magnetic variation (plural magnetic variations)

  1. (military, nautical, navigation) 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.
  2. (cartography) In cartography, the annual change in direction of the horizontal component of the Earth’s magnetic field.

Translations

See also

References

  • JP 1-02 Department of Defense Dictionary of Military and Associated Terms
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.