permanent magnet

American  

noun

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

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permanent magnet British  

noun

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

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permanent magnet Scientific  

/ pûr′mə-nənt /

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

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Other Word Forms

• permanent magnetism
  noun

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Etymology

Origin of permanent magnet

First recorded in 1820–30

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Example Sentences

See Examples For:

permanent magnet

Despite the large number of known magnetic compounds, no entirely new permanent magnet has been identified from this pool.

From Science Daily ● Feb. 19, 2026

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.

From The Wall Street Journal ● Nov. 16, 2025

Rare earth permanent magnet material is subject to a 13% VAT discount on export from the country, and provincial governments give support on energy costs, for example, which also helps buoy up magnet-making facilities.

From BBC ● Apr. 4, 2024

Tesla initially used induction motors without rare earth permanent magnets, but switched to a permanent magnet motor for the mass-market Model 3 in 2017.

From Reuters ● Nov. 14, 2023

The coil poles therefore try to seek the contrary poles of the permanent magnet, and the coil revolves until its S. pole faces the N. of the magnet, and vice versâ.

From How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use by Archibald Williams

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