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.
Meanwhile, a strong region of the geomagnetic field over Siberia has grown in size during this time. Chris Young, Interesting Engineering, 14 Nov. 2025 The Space Weather Prediction Center always has a three-day forecast for geomagnetic activity. Kelli Arseneau, jsonline.com, 13 Nov. 2025 Many conditions have to align for a good display, including cloud cover, light pollution and the strength of the geomagnetic disturbance. Daisy Dobrijevic, Space.com, 13 Nov. 2025 Auroras are most likely to be seen after sunset and before sunrise, as NOAA’s three-day forecast shows higher geomagnetic activity earlier in the evening. Valerie Mesa, PEOPLE, 13 Nov. 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 18 Nov. 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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