permanent magnet


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

Examples of permanent magnet in a Sentence

Recent Examples on the Web Tariffs on permanent magnets, natural graphite, and certain other critical minerals are also set to rise to 25 percent from zero over the next couple of years. Justine Calma, The Verge, 14 May 2024 His initial designs, as described in a series of patents, were for a pendulum clock with a permanent magnet as its bob (that’s the weight at the bottom of the pendulum). IEEE Spectrum, 29 Feb. 2024 The permanent magnet front motor delivers 212-hp and 236 lb-ft. Sam Abuelsamid, Forbes, 22 Feb. 2024 The team’s design features a circular drum—the rotor—with an interior surface lined with permanent magnets. IEEE Spectrum, 19 June 2023 Front-drive variants get a permanent magnet motor with 212-hp which should be sufficient for the smaller Equinox. Sam Abuelsamid, Forbes, 12 Feb. 2024 The motors are an evolution of the permanent magnet synchronous motors in the Taycan, with better water cooling, and the inverter uses silicon carbide instead of silicon. Jonathan M. Gitlin, Ars Technica, 9 Oct. 2023 Regardless of their shape and size, permanent magnets are everywhere. Andrew Zaleski, Popular Mechanics, 22 Aug. 2023 The generating dynamos have permanent magnets. Sanderson: Absolutely. IEEE Spectrum, 7 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'permanent magnet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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.” Dictionary, Merriam-Webster, Accessed 29 May. 2024.

Kids Definition

permanent magnet

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

More from Merriam-Webster on permanent magnet

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