permanent magnet


noun

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

Origin of permanent magnet

First recorded in 1820–30

OTHER WORDS FROM permanent magnet

permanent magnetism, noun

British Dictionary definitions for permanent magnet

permanent magnet

noun

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

Derived forms of permanent magnet

permanent magnetism, noun

Scientific definitions for permanent magnet

permanent magnet
[ pûrmə-nənt ]

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