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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The science payload to be landed there includes seismometers, a drill to allow emplacement of heat flow and electrical conductivity probes, and instruments to study the magnetic field and surface weathering. Richard Tribou, The Orlando Sentinel, 13 Apr. 2025 These spectacular lights resemble those seen on Earth, where they're generated when energetic particles interact with our planet's magnetic field, but Jupiter's auroras are believed to proceed through a different mechanism and are far more intense and energetic. Victoria Corless, Space.com, 3 Apr. 2025 When subjected to a magnetic field, the electrons within each sheet zip back and forth between the carbon atoms, exhibiting superconductivity and other bizarre properties. Gayoung Lee, Scientific American, 28 Mar. 2025 Neptune's magnetic field is tilted by 47 degrees off of the planet's axis of rotation—meaning that the field lines along which the solar wind is channeled meet the atmosphere in a different place to those here on Earth. Paul Du Quenoy, MSNBC Newsweek, 27 Mar. 2025 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

Browse Nearby Words

Cite this Entry

“Magnetic field.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20field. Accessed 26 Apr. 2025.

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

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