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.
Comparing these records with known magnetic reversals showed that the deposits formed during the Matuyama Chron, a period that began more than two million years ago.
From Science Daily ● Oct. 27, 2026
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
