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.
The Hightail runs on a permanent magnet synchronous motor (PMSM) motor that generates 42 horsepower and 485 lb ft (660 Nm) of torque. New Atlas, 16 Dec. 2024 And then there is Junior’s most sci-fi feature of all: The entire magnet unit will levitate in the center of the reactor, thanks to a permanent magnet that will be installed above the vacuum chamber. IEEE Spectrum, 12 Nov. 2024 For example, China produces over 90 percent of the world’s rare-earth permanent magnets, which are vital components of many U.S. military systems. Nadia Schadlow, Foreign Affairs, 9 Oct. 2024 Exports other metals, and the equipment used to produce them, have also been restricted by the Chinese Government, including germanium, gallium, and some rare earths such as neodymium and praseodymium used to make permanent magnets which also have industrial and military uses. Tim Treadgold, Forbes, 9 Sep. 2024 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

Dictionary Entries Near permanent magnet

Cite this Entry

“Permanent magnet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permanent%20magnet. Accessed 30 Dec. 2024.

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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