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.
A liquid that has been percolated.
To pass a liquid through a porous substance; to filter.
To make (coffee) in a percolator.
To drain or seep through a porous substance.
To spread slowly or gradually; to slowly become noticed or realised.