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.
Stronger solar winds can interfere with Earth's magnetic field. Janet Loehrke, USA TODAY, 6 Mar. 2025 The equipment includes a device that’s testing out how GPS services might be used in orbit and on the lunar surface, a vacuum that will aim to suck up soil, and a telescope that will observe how Earth’s protective magnetic field, also known as the magnetosphere, responds to space weather. Jackie Wattles, CNN, 1 Mar. 2025 Compared to far more common radial flux motors, axial flux motors essentially flip the magnetic field on its side, operating via magnetic flux that runs in parallel to the motor axis. New Atlas, 27 Feb. 2025 The team studied information about the moon’s magnetic fields from all eight of Galileo’s flybys, incorporating new statistical techniques to determine if its ionosophere–the electrically conductive part of its atmosphere–was enough to explain it. Alex Knapp, Forbes, 21 Feb. 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 13 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!