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
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.
This is an axial flux system, with permanent magnet rotors on either side of the electromagnetic stator. James Morris, Forbes.com, 21 June 2025 The permanent magnet synchronous motor is joined within its housing by a gear reduction system that brings max torque up to 29.5 lb-ft (40 Nm). New Atlas, 18 June 2025 On top of all that, growth in permanent magnets may stall. Mark Dent, HubSpot, 9 May 2025 In the early 1980s, a breakthrough occurred when General Motors and the Japanese company Sumitomo developed a rare earth permanent magnet. Mark Dent, HubSpot, 9 May 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 2 Jul. 2025.

Kids Definition

permanent magnet

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

More from Merriam-Webster on permanent magnet

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