magnetic storm

noun

Definition of magnetic storm 

: a marked temporary disturbance of the earth's magnetic field held to be related to sunspots

Examples of magnetic storm in a Sentence

Recent Examples on the Web

The magnetic storm effect is global, however, whereas the rocket effect is regional. Eric Berger, Ars Technica, "SpaceX launch last year punched huge, temporary hole in the ionosphere," 22 Mar. 2018

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, in the meaning defined above

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The first known use of magnetic storm was circa 1855

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lying above or upon

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