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