A stream that flows out, such as from a lake or reservoir; an outflow; effluence.
Sewage water that has been (partially) treated, and is released into a natural body of water; a flow of any liquid waste.
Flowing out; outflowing.
A fluid that flows out.
Any outward movement.
Something that flows out of a sewage treatment plant.
The process of flowing out.
A stream of gaseous material emanating from an active galactic nucleus.
The part of a system that allows material to flow out.
To flow outward.