magnetic equator
noun
: an imaginary line roughly parallel to the geographical equator and passing through those points where a magnetic needle has no dip
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Earth’s electric and magnetic fields and gravity cause charged particles in the ionosphere to flow away from Earth’s magnetic equator.
—
Ashley Strickland,
CNN,
2 Aug. 2024
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Ashley Strickland,
CNN,
2 Aug. 2024
Cite this Entry
“Magnetic equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20equator. Accessed 6 Jul. 2026.
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