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
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Millions of Americans may have a chance to see the northern lights this week, depending on how clear the skies are and geomagnetic activity. Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025 Observers in northern regions, such as Alaska, Canada, and northern U.S. states, are most likely to see the auroras if the geomagnetic activity is high. Jamie Carter, Forbes, 12 Mar. 2025 Aurorae appear as curtains of light that trace geomagnetic field lines and vary in color depending on the species of atom being excited. Josh Hammer, Newsweek, 14 Feb. 2025 In more great news for aurora enthusiasts, this surge in geomagnetic activity comes at the perfect time. Daisy Dobrijevic, Space.com, 25 Mar. 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

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Cite this Entry

“Geomagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic. Accessed 24 Apr. 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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