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.
A structural principle of mathematical logic that states that the hypotheses of any derived fact may be freely extended with additional assumptions.
An instance or process of loss of strength.