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, Orlando Sentinel, 18 Mar. 2025 It's made up of three kinds of radiation: particles trapped in Earth's magnetic field, particles from solar flares and galactic cosmic rays NASA said. Mary Kekatos, ABC News, 18 Mar. 2025 Like energy, momentum has to be conserved, so the excess angular momentum would have been dumped into the magnetic field that is carried by the outflows in the same way that our sun's magnetic field is carried by the solar wind, causing the magnetic field to twist. Keith Cooper, Space.com, 16 Mar. 2025 As well as being geometrically open to receiving the solar wind, this period also sees the magnetic fields of Earth and the solar wind briefly aligned. Jamie Carter, Forbes, 14 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 25 Mar. 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

More from Merriam-Webster on magnetic field

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