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 agency said the northern lights are best seen between 10 p.m. and 2 a.m. local time, and if in the right area with optimal weather conditions, the aurora borealis could be visible even with lower geomagnetic activity, including a Kp index of three or four. Ty Roush, Forbes.com, 24 June 2025 Stronger solar cycles produce more solar storms with greater intensity, which drives geomagnetic activity. Soo Kim, MSNBC Newsweek, 20 June 2025 States like Connecticut, Rhode Island, Nebraska, Iowa and Illinois are very close to the possible view line but would require stronger geomagnetic activity than forecast for visibility. Daisy Dobrijevic, Space.com, 19 June 2025 The visibility of the aurora depends on multiple factors, including location, weather, time of night and the level of geomagnetic activity present. Anthony Robledo, USA Today, 14 June 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 30 Jun. 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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