: a magnet that retains its magnetism after removal of the magnetizing force
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Traditional permanent magnet motors use a technique called flux weakening at high speeds, which requires continuous electrical input.—Christopher McFadden, Interesting Engineering, 12 June 2026 Rare earths and permanent magnets were a proof of concept.—Nick Lichtenberg, Fortune, 20 May 2026 Niron Magnetics, a Minneapolis developer of rare earth-free permanent magnets for industry, announced the appointment of Mike Brommer as chief operations officer.—Pioneer Press, Twin Cities, 17 May 2026 That, in turn, can be exploited to achieve high coercivity, the essential property that lets a permanent magnet stay magnetized.—Glenn Zorpette, IEEE Spectrum, 29 Apr. 2026 See All Example Sentences for permanent magnet