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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For an up-to-date breakdown of geomagnetic activity over the next 3 days, check out NOAA's SWPC 3-day forecast. Daisy Dobrijevic, Space.com, 3 Jan. 2025 What to Know The colors and brightness of the northern lights, or aurora borealis, depend upon four factors: geomagnetic activity, location, darkness, and timing. Skyler Caruso, People.com, 31 Dec. 2024 Occasionally, the northern lights can be seen outside of this geographic band when geomagnetic activity is high. Andy Biggs, Newsweek, 25 Dec. 2024 This event could also be brighter because the geomagnetic activity has a Kp index of 5, according to NOAA. Julia Jacobo, ABC News, 28 Nov. 2024 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

Dictionary Entries Near geomagnetic

Cite this Entry

“Geomagnetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geomagnetic. Accessed 18 Jan. 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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