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permanent magnet Definition

permanent magnet

noun

a magnet, usually of hard steel, which keeps most of its magnetism after it has once been magnetized

permanent magnet Usage Examples

Converse of object

  • use: The display uses a permanent magnet that is perforated to provide an aperture for each pixel.
  • include: All the many variants of the basic concept include permanent magnets, spring and coils.
  • contain: The sensors contain a permanent magnet and wire coil.

Adjective modifier

small: This means the use of small permanent magnets rather than super-conducting types as found in hospital MRI units.