Definition of "geomagnetic" []

• Of or pertaining to geomagnetism. (adjective)

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• "These increases in activity are known as geomagnetic storms."
• "In 1989, thousands of Canadians lost power in what's described as a geomagnetic super storm."
• "A series of powerful solar flares - sometimes known as geomagnetic storms - hit the earth last week, and there's some evidence that the solar storms can have a profound effect on human health and behavior."