ferromagnetism
/ˌfɛroʊˈmæɡnɪtɪzəm/
noun
- A strong type of magnetism found in materials like iron, nickel, and cobalt, which can be magnetized and attract other magnetic materials.
- Ferromagnetism is what makes a refrigerator magnet stick to the door.
- Scientists study ferromagnetism to develop better data storage devices.
- The toy train's wheels use ferromagnetism to stay on the track.