diamagnet
/ˈdaɪəˌmæɡnɪt/
noun
- A material that is weakly repelled by a magnet, meaning it creates a very weak magnetic field in the opposite direction of an applied magnetic field.
- Water is a common diamagnet, so a strong magnet can make a droplet of water float slightly.
- The scientist used a diamagnet to demonstrate how certain materials react to magnetic fields.
- Unlike iron, a diamagnet does not stick to a refrigerator magnet.
Antonyms