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geomagnetism
(jēˌō-măgˈnĭ-tĭzˌəm)
noun- The magnetism of the earth.
- The study of the earth's magnetism.
Related Forms:
- geˌo·mag·netˈic (-nĕtˈĭk) adjective
- geˌo·mag·netˈi·cal·ly adverb
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