Definition of magnetic field in US English:
magnetic field
nounmaɡˈnedik ˈfēldmæɡˈnɛdɪk ˈfild
A region around a magnetic material or a moving electric charge within which the force of magnetism acts.
Example sentencesExamples
- The spin of an electron generates a tiny magnetic field along the particle's spin axis.
- Electrons produce a small magnetic field as they spin and orbit the nucleus of an atom.
- Sunspots are whirling masses of electrically charged gas formed by magnetic fields deep within the Sun.
- The magnetic fields acted together with gravitational forces to keep the atoms trapped.
- Similarly, if you move a magnet near a wire, the magnetic field will cause electrons in the wire to move.