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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
Once the magnetic field is shut off, the MENDs revert to their previous inert state.
—Ben Coxworth, New Atlas, 21 Oct. 2024
By analyzing the magnetic fields, researchers can learn how populations of neurons respond when prompted to think about specific topics, such as zero.
—Quanta Magazine, 18 Oct. 2024
The e-motor’s stator and rotor sit in what’s called a Halbach array, which targets and maximizes the density of the magnetic field.
—Jason Barlow, WIRED, 17 Oct. 2024
The National Oceanic and Atmospheric Administration's Space Weather Prediction Center reported that a coronal mass ejection occurred on October 8, when solar material and magnetic fields erupted.
—Laura Daniella Sepulveda, The Arizona Republic, 11 Oct. 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 5 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
Nglish: Translation of magnetic field for Spanish Speakers
Britannica.com: Encyclopedia article about magnetic field
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