geomagnetic

adjective

geo·​mag·​net·​ic ˌjē-ō-mag-ˈne-tik How to pronounce geomagnetic (audio)
: of or relating to terrestrial magnetism
geomagnetically
ˌjē-ō-mag-ˈne-ti-k(ə-)lē How to pronounce geomagnetic (audio)
adverb
geomagnetism
ˌjē-ō-ˈmag-nə-ˌti-zəm How to pronounce geomagnetic (audio)
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.
With six days of high geomagnetic activity, compared to just three in December, March offers a prime window for spotting the northern lights. — Valerie Mesa, People.com, 17 Mar. 2025 Stronger solar cycles produce more solar storms with greater intensity, which drives geomagnetic activity. — Mark Davis, Newsweek, 14 Mar. 2025 The Kp index, which measures geomagnetic activity on a scale of 0 to 9, should be at least 5 for auroras to be visible in areas farther south. — Jamie Carter, Forbes, 12 Mar. 2025 On Earth, a compass needle aligns with our planet’s geomagnetic field, which is generated by the movement of molten iron in Earth’s outer core. — Jake Parks, Discover Magazine, 21 Feb. 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

Phrases Containing geomagnetic

Rhymes for geomagnetic

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Browse Nearby Words

geom
geomagnetic
geomagnetic equator
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Cite this Entry

“Geomagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic. Accessed 1 Apr. 2025.

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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
-ˈmag-nə-ˌtiz-əm How to pronounce geomagnetic (audio)
noun
Last Updated: - Updated example sentences
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