permanent magnet

noun

1. a magnet that retains its magnetism after being removed from an external magnetic field.

permanent magnet

noun

1. a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed

permanent magnet

1. A piece of ferromagnetic material that retains its magnetism after it has been magnetized.

Other Word Forms

• permanent magnetism noun

Word History and Origins

Origin of permanent magnet¹

First recorded in 1820–30

Example Sentences

The problem: Even at the new factory’s initial planned capacity of 2,000 metric tons of permanent magnet material, the plant will produce a fraction of what analysts estimate European manufacturers need.

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Friday’s talks are mainly aimed at pressing China to approve more export licenses for rare earths and permanent magnets after Beijing imposed new restrictions earlier this month.

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Breaking Beijing’s chokehold on rare-earth supply chains requires resolving three bottlenecks: the concentration of heavy rare-earth feedstock in Myanmar and China; catching up in rare-earth processing; and rapidly scaling permanent magnet production.

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China, the dominant producer of rare earths, imposed new export restrictions recently of rare earths and permanent magnets.

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“Rare earths and permanent magnets are key elements for practically everything with any digital element in it,” Sefcovic said.

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