A multi-socket plug that can be used to channel electricity from a single socket.

The power of the noise in a signal.

(electrical engineering) A device that converts direct current electricity to alternating current electricity.

Any of the powers that are given to a national government.

Used other than figuratively or idiomatically: see water, power.

(physics) The ratio of the power produced by an object to its mass.

A station built for the production of electric power; a power station. / The portion of a vehicle devoted to providing energy for motion; the engine or motor.

(sometimes figuratively) The power that enables something to move. / (rail transport, collectively) The locomotives that operate on a railway.

(colloquial) Children's ability to make their parents buy something or do something for them by continually asking until the parents agree to do it.

(set theory, of a set S) The set whose elements comprise all the subsets of S (including the empty set and S itself).