permanent magnet


Definition of 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 Rawlinson said that the Air has also moved to a new in-house silicon carbide inverter, as well as a switch from induction to permanent magnet motors front and rear. Jonathan M. Gitlin, Ars Technica, "“Please don’t describe us as a Tesla killer”—Ars talks to Lucid Motors," 9 June 2020 Under the hood lies a 201hp (150kW), 291lb-ft (395Nm) permanent magnet synchronous motor that drives the front wheels. Jonathan M. Gitlin, Ars Technica, "Another competent Korean car—the Kia Niro EV, reviewed," 11 May 2020 Ahead of the rear axle, a third 47hp (35kW) permanent magnet motor is located between the V6 engine and the nine-speed dual clutch transmission. Jonathan M. Gitlin, Ars Technica, "1,200 uncomfortable miles in a gorgeous Acura NSX hybrid supercar," 12 Mar. 2020 The all-wheel drive powertrains are almost identical in both, and in normal driving both versions even output the same 460kW (616hp) from two permanent magnet synchronous motor-generator units, located fore and aft of the battery pack. Jonathan M. Gitlin, Ars Technica, "Everything you wanted to know about Porsche’s new electric car," 4 Sep. 2019 The internal combustion engine is joined by a 71hp (53kW) permanent magnet synchronous electric motor, the two working together to drive the front wheels through a continuously variable transmission, for a total system output of 121hp (90kW). Jonathan M. Gitlin, Ars Technica, "The 2020 Toyota Prius Prime plug-in proves pleasing, perhaps pedestrian," 14 Jan. 2020 This changing magnetic field can push and pull on the magnetic field of a nearby magnet (called the permanent magnet). Ben Finio, Scientific American, "Build Your Own Speaker," 5 Dec. 2019 Both front and rear motors use permanent magnets, and like Porsche, Ford has gone for a rectangular hairpin design for the coils that packs more copper and less air inside. Jonathan M. Gitlin, Ars Technica, "Watch out, Tesla—Ford gets serious with Mustang Mach-E electric crossover," 18 Nov. 2019 Perhaps most surprising, the substance appears to be ferromagnetic, behaving like a permanent magnet at temperatures up to 125°C—a first for carbon. W. Wayt Gibbs, Science | AAAS, "The next graphene? Shiny and magnetic, a new form of pure carbon dazzles with potential," 12 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'permanent magnet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of permanent magnet

1882, in the meaning defined above

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Time Traveler for permanent magnet

Time Traveler

The first known use of permanent magnet was in 1882

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Statistics for permanent magnet

Last Updated

16 Jun 2020

Cite this Entry

“Permanent magnet.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2020.

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