One who is capable of adapting to differing situations.
One who adapts a thing, e.g. a play.
Specifically, a device that allows one format of plug to be used with a different format of socket.
Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power.
A device or application used to achieve operative compatibility between devices that otherwise are incompatible.
Specifically, a device that permits two, three, or more plugs to be used at a single electrical power point.
A person who is an expert on creating codes and cyphers. Someone who studies cryptology.