geomagnetic

From geo- +‎ magnetic.

geomagnetic (not comparable)

1. Of or pertaining to geomagnetism.
   • 2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, page 30:

     One of the earliest (and biggest) space weather events on record occurred in September 1859, when a massive solar eruption crashed into the Earth's magnetosphere, triggering a geomagnetic storm that lasted for days.

• gametogenic, gamogenetic

Borrowed from French géomagnétique.

geomagnetic m or n (feminine singular geomagnetică, masculine plural geomagnetici, feminine and neuter plural geomagnetice)

1. geomagnetic