An electrical cord with a plug one end, and a single socket or a multi-port socket at the other end, used for powering one or more devices at a distance, too far from the wall outlet to be reached by the normal cords of the device or devices.
A device that converts alternating current into direct current; often a diode.
The activation function f(x)= max (0,x), where x is the input to a neuron.
An instrument used for determining and rectifying the variations of the compass on board ship.
Something that rectifies.