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.
The backwards flow of any fluid.
A technique, using a reflux condenser, allowing one to boil the contents of a vessel over an extended period.
The leaking of stomach acid up into the oesophagus.
To boil a liquid in a vessel having a reflux condenser
To flow back or return.