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.
The fact or act of becoming less or less intense or present; fading.
The fact or act of becoming smaller.
Becoming weaker or smaller.
Of the lunar phase: as it shrinks when viewed from the Earth.