A theoretical construct or device with known input and output characteristics but unknown method of operation.
A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.
A device used in phreaking that prevents the calling party from being billed for the call placed.
A type of theater characterized by a lack of decoration or complex mechanisms.
Any similar device on motor vehicles, such as rail event recorders and ship trip recorders.
To focus on the inputs and outputs without worrying about the internal complexity.
A machine or device that converts other energy forms into mechanical energy, or imparts motion.
The fermenting mass of fruit that is the basis of pruno, or "prison wine".
A motor car, or automobile, even a goods vehicle.
A source of power for something; an inspiration; a driving force.
Any protein capable of converting chemical energy into mechanical work.
To rotate a jet engine or turboprop using the engine's starter, without introducing fuel into the engine.
To progress at a brisk pace.
To leave.
Relating to motor cars.
Propelled by an internal combustion engine (as opposed to a steam engine or turbine).
Relating to the ability to move.