The tide at its lowest level for a particular tidal cycle at a certain place.
The time of day when the sea has receded to its lowest level.
To boil a liquid in a vessel having a reflux condenser
To flow back or return.
A technique, using a reflux condenser, allowing one to boil the contents of a vessel over an extended period.
The backwards flow of any fluid.
The leaking of stomach acid up into the oesophagus.