1. The process of charging an object electrically by bringing it near another charged object, then touching it to a ground.
2. Modification in the distribution of an electric charge on one material under the influence of an electric charge on a nearby object which takes place whenever any object is placed in an electric field.
3. The production of an electric charge in an object when placed near a charged body.
4. A process of inducing stationary electric charges on an object by brining it near another object that has an excess of electric charges.

A positive charge will produce a negative charge, and a negative charge will produce a positive charge.