Plain English Meaning

The part of the engine that decides how much fuel to add to the air going into the cylinders. It makes sure the mixture is right for the power setting and altitude.

Full Definition

A component in an aircraft engine's induction system that controls the amount of fuel mixed with incoming air before it enters the cylinders. The two main types are the carburetor and the fuel injection system, both of which deliver the correct fuel-to-air ratio for the engine's operating conditions.

Context Anchor

Seen in induction system discussions, especially when comparing carburetors and fuel-injection systems.