magnetic induction

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The process by which a substance, such as iron or steel, becomes magnetized by a magnetic field. The induced magnetism is produced by the force of the field radiating from the poles of a magnet.
2. n. See magnetic flux density.

GNU Webster's 1913

1. n. the action by which magnetic polarity is developed in a body susceptible to magnetic effects when brought under the influence of a magnet.
2. n. The process that makes a substance magnetic (temporarily or permanently).
3. n. Same as magnetic field strength.

WordNet 3.0

1. n. the amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow
2. n. the process that makes a substance magnetic (temporarily or permanently)