adjective
- of or relating to the magnetic field of the Earth
Usage: technical; scientific
Examples
- The geomagnetic storm caused disruptions to satellite communications.
- Scientists study geomagnetic variations to understand Earth's magnetic history.
- Geomagnetic activity can affect power grids and navigation systems.
- The aurora borealis is caused by geomagnetic interactions with solar wind.
- Geomagnetic reversals have occurred many times throughout Earth's geological history.