magnetic reversal
noun
a reversal of polarity in the Earth's magnetic field which results in magnetic north being aligned with geographic south and vice versa.
magnetic reversals
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pluralof magnetic reversal.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As a bonus, magnetic reversals could provide a common time marker for rocks from different locations.
From Science Magazine ● Dec. 19, 2022
The alternating magnetic reversals in the rocks reflect the periodic swapping of earth’s magnetic north and south poles.
From Textbooks ● Jan. 1, 2017
Vine, Matthews, and Morley were the first to show this type of correspondence between the relative widths of the stripes and the periods of the magnetic reversals.
From Textbooks ● Jan. 1, 2015
The time scale of magnetic reversals is irregular.
From Textbooks ● Jan. 1, 2015
