magnetic field

noun

: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected

Examples of magnetic field in a Sentence

Recent Examples on the Web
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That can change the shape of our planet’s magnetic field to create spectacular aurora displays. Jamie Carter, Forbes, 4 Nov. 2024 As auroras form, Earth's magnetic field redirects the particles toward the poles through a process that produces a stunning display of rays, spirals and flickers that have fascinated humans for millennia. Eric Lagatta, USA TODAY, 1 Nov. 2024 Another theory posits that the wiggling of Alfvén waves, oscillations in the Sun’s magnetic field that penetrate into the corona and turn back on themselves, can also inject energy into the solar wind. Byhannah Richter, science.org, 31 Oct. 2024 The first colonists would encounter a barren landscape without water or breathable atmosphere, bathed in deadly solar and galactic radiation from which Earthbound humans are protected by our planet’s atmosphere and magnetic field. Michael Hiltzik, Los Angeles Times, 16 Oct. 2024 See all Example Sentences for magnetic field 

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of magnetic field was in 1845

Dictionary Entries Near magnetic field

Cite this Entry

“Magnetic field.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20field. Accessed 21 Nov. 2024.

Kids Definition

magnetic field

noun
: the portion of space near a magnetic body or a body carrying an electric current within which magnetic forces due to the body or current can be detected

Medical Definition

magnetic field

noun
: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected
the magnetic field of the heart

More from Merriam-Webster on magnetic field

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