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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Stronger solar cycles produce more solar storms with greater intensity, which fuels geomagnetic activity. Ross Rosenfeld, MSNBC Newsweek, 22 Apr. 2025 There are forecasts that the phenomenon will be visible as far south as mid-northern latitudes in the U.S. and Europe on Wednesday, April 16, in the wake of a few nights of intense geomagnetic activity. Jamie Carter, Forbes.com, 16 Apr. 2025 What to expect According to NOAA's three-day space weather outlook, geomagnetic activity is expected to increase late on April 15 or early April 16, peaking during the day and tapering off afterward. Daisy Dobrijevic, Space.com, 14 Apr. 2025 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 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 29 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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