Definition of geomagnetic equator in English:

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geomagnetic equator

Entry from US English dictionary


A notional circle on the earth’s surface, the plane of which is equidistant between the north and south magnetic poles and perpendicular to the magnetic field.
Example sentences
  • This is important as the physical and geomagnetic equators are not aligned in most parts of the world.
  • Between 20º north and 20º south of the geomagnetic equator the ionosphere bends forming a protuberance.
  • The electron concentration is thus depleted on the geomagnetic equator and enhanced in two regions, which locate approximately north and south 15° of the geomagnetic equator.

For editors and proofreaders

Syllabification: ge·o·mag·net·ic e·qua·tor

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