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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The spike in geomagnetic activity is driven primarily by a co-rotating interaction region (CIR) — a turbulent region in the solar wind in which fast-moving streams collide with slower wind ahead of them. Daisy Dobrijevic, Space.com, 12 June 2025 What To Know On Monday, the National Weather Service issued an extension to its geomagnetic weather warning. Theo Burman, MSNBC Newsweek, 3 June 2025 The visibility of the aurora depends on multiple factors, including location, weather, time of night, and the level of geomagnetic activity present. Anthony Robledo, USA Today, 3 June 2025 As a storm progresses, geomagnetic activity can fluctuate considerably from periods of escalation to periods of weakening, according to NOAA. Adriana Pérez, Chicago Tribune, 2 June 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 15 Jun. 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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