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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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 Switch to range mode, and clutches disconnect the front permanent magnet synchronous motor and remap the throttle pedal for better efficiency. Jonathan M. Gitlin, Ars Technica, 30 June 2024 Hard Science New nuclear fusion reactor design may be a breakthrough Using permanent magnets may help to make nuclear fusion reactors simpler and more affordable. Big Think, 24 June 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 24 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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