geomagnetism

(jēˌō-măgˈnĭ-tĭzˌəm)

noun
  1. The magnetism of the earth.
  2. The study of the earth's magnetism.

Related Forms:

  • geˌo·mag·netˈic (-nĕtˈĭk) adjective
  • geˌo·mag·netˈi·cal·ly adverb

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