noun
- plural of geomagnetism; the magnetic properties and phenomena of the Earth, including the Earth's magnetic field and its effects on the atmosphere and space.
Usage: technical; scientific
Examples
- Scientists study geomagnetisms to understand how the Earth's magnetic field protects us from solar radiation.
- The variations in geomagnetisms can affect satellite communications and power grids.
- Geomagnetisms play a crucial role in animal navigation, particularly in migratory birds.
- Research into geomagnetisms helps predict geomagnetic storms.
- The Earth's geomagnetisms are generated by molten iron in the outer core.