permanent magnet

noun

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

Examples of permanent magnet in a Sentence

Recent Examples on the Web

Neodymium-iron-boron magnets are among the strongest permanent magnets available. — Neetika Walter, Interesting Engineering, 3 Nov. 2026

Essentially all powerful electric motors are based on rare-earth permanent magnets. — Glenn Zorpette, IEEE Spectrum, 15 Oct. 2026

Like other Neue Klasse vehicles, the electrically excited synchronous motor (EESM) in the rear axle serves as the primary drive axle, using electricity instead of permanent magnets to power both its stator outer frame and interior spinning rotor. — Andrew J. Hawkins, The Verge, 7 Oct. 2026

Word History

First Known Use

1882, in the meaning defined above

Rhymes for permanent magnet

• electromagnet
• ferromagnet
• magnate

Kids Definition

permanent magnet

noun

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