Meaning

1. Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the cause of this property; now understood to be a phenomenon caused by the distribution and movement of charged subatomic particles and their interaction with the electromagnetic field.
2. The study of electrical phenomena; the branch of science dealing with such phenomena.
3. A feeling of excitement; a thrill.
4. Electrical power, as supplied by power stations or generators.
5. The supply of electricity, as a utility.