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.
It's believed to play an important role in maintaining the planet’s magnetic field. Doyle Rice, USA TODAY, 14 Feb. 2025 But our planet’s magnetic field is far from static. New Atlas, 13 Feb. 2025 This suggests sea turtles have two separate senses for perceiving magnetic fields. Sarah Kuta, Smithsonian Magazine, 13 Feb. 2025 Earth’s magnetic field extends tens of thousands of miles into space on the planet’s sun-facing side, and even farther on the other side. Dhruv Khullar, The New Yorker, 10 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

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 21 Feb. 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
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