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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
The company’s computer simulations suggest that inducing electrical and magnetic fields inside the target could help collect and focus the particles much more efficiently.
—IEEE Spectrum, 3 Dec. 2024
As the sun spins, its magnetic field becomes roiled, warping and tightening in some areas, Korreck said.
—Denise Chow, NBC News, 1 Dec. 2024
The design is modeled after the plasma in planetary magnetic fields, including Earth’s.
—Laura Paddison, CNN, 29 Nov. 2024
Coronal mass ejections, or CMEs explains NASA, are large clouds of solar plasma and magnetic fields.
—Eric Lagatta, The Indianapolis Star, 28 Nov. 2024
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Word History
First Known Use
1845, in the meaning defined above
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 22 Dec. 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
Nglish: Translation of magnetic field for Spanish Speakers
Britannica.com: Encyclopedia article about magnetic field
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