geomagnetic

adjective

geo·​mag·​net·​ic ˌjē-ō-mag-ˈne-tik How to pronounce geomagnetic (audio)
: of or relating to terrestrial magnetism
geomagnetically adverb
geomagnetism noun

Examples of geomagnetic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The northern lights are visible when there is geomagnetic activity that causes ions to collide with atmospheric gases from Earth that create visible displays. Molly Bohannon, Forbes.com, 18 May 2025 Sometimes, however, the magnetic field’s poles wander from the planet’s geographic poles in what scientists call geomagnetic excursions, according to a statement. Margherita Bassi, Smithsonian Magazine, 21 Apr. 2025 But for the most part, power grid and satellite operators kept satellites in order and properly in orbit and managed the buildup of intense geomagnetic currents on the grid systems. Ashley Strickland, CNN Money, 16 Apr. 2025 That activity in our atmosphere is known as geomagnetic storming. Addy Bink, The Hill, 15 Apr. 2025 See All Example Sentences for geomagnetic

Word History

First Known Use

1904, in the meaning defined above

Time Traveler
The first known use of geomagnetic was in 1904

Browse Nearby Words

Cite this Entry

“Geomagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic. Accessed 23 May. 2025.

Kids Definition

geomagnetic

adjective
geo·​mag·​net·​ic ˌjē-ō-mag-ˈnet-ik How to pronounce geomagnetic (audio)
: of or relating to the magnetism of the earth
geomagnetism noun
Last Updated: - Updated example sentences
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