Definition of magnetic storm
: a marked temporary disturbance of the earth's magnetic field held to be related to sunspots
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Recent Examples of magnetic storm from the Web
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The magnetic storm effect is global, however, whereas the rocket effect is regional.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magnetic storm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of magnetic storm
circa 1855
Learn More about magnetic storm
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See words that rhyme with magnetic storm Britannica.com: Encyclopedia article about magnetic storm
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