permanent magnet

noun

: a magnet that retains its magnetism after removal of the magnetizing force

Examples of permanent magnet in a Sentence

Recent Examples on the Web
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The element makes up about 30% of the mass of permanent magnets by weight, according to Rod Eggert, a professor at the Colorado School of Mines and an expert in the field. Chris Isidore, CNN Money, 11 Feb. 2026 An external motor moves a permanent magnet up and down outside the syringe. Aamir Khollam, Interesting Engineering, 10 Feb. 2026 First off, the bike is based around a new Enduro Evolution drivetrain that's made up of an integrated gear-reduction box with an internal permanent magnet motor. New Atlas, 26 Jan. 2026 The facility is expected to produce permanent magnets, a crucial material in modern defense systems like missiles and drones, supply of which had been wrapped up by China. Matthew Martin, semafor.com, 21 Nov. 2025 See All Example Sentences for permanent magnet

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of permanent magnet was in 1882

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Cite this Entry

“Permanent magnet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permanent%20magnet. Accessed 16 Feb. 2026.

Kids Definition

permanent magnet

noun
: a magnet that retains its magnetism after removal of the magnetizing force

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