Permanent Magnet (Noun)
Meaning
A magnet that retains its magnetism after being removed from a magnetic field.
Classification
Nouns denoting man-made objects.
Examples
- The Earth is a permanent magnet with its magnetic field extending far into space.
- He used a strong permanent magnet to pick up small metal objects on the floor.
- The motor uses a permanent magnet to convert electrical energy into mechanical energy.
- A bar magnet is an example of a permanent magnet that loses its magnetism over time due to corrosion.
- Scientists created a powerful permanent magnet by cooling a rare earth alloy to extremely low temperatures.