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.
What This Means For Aurora Watchers Aurora watchers at higher latitudes may have a modest chance of seeing activity, particularly during any unsettled or active geomagnetic periods. Jamie Carter, Forbes.com, 18 June 2026 During major geomagnetic events, the lights have been observed across Europe, Asia, and even parts of the continental United States. Kaif Shaikh, Interesting Engineering, 15 June 2026 Space weather forecasters are tracking the possible arrival of coronal mass ejections (CMEs) that left the sun on Tuesday, June 9, and Thursday, June 11, with NOAA predicting G2-level geomagnetic storming on Saturday, June 13. Valerie Mesa, PEOPLE, 12 June 2026 If the solar storm arrives later in the forecast, the strongest geomagnetic activity could occur closer to — or even after — sunset for parts of North America, drastically improving viewing opportunities. Daisy Dobrijevic, Space.com, 8 June 2026 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

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Cite this Entry

“Geomagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic. Accessed 22 Jun. 2026.

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
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