rain chamber
Noun
Meaning
rain chamber (plural rain chambers)
An attachment to a furnace in which the fumes of any metal are condensed.
Examples
Our removable perches make a visit to the rain chamber convenient.
While some breeders report that cycling them through artificial rainy seasons in a is needed, others have found their frogs to breed regularly throughout the year regardless of altering temperature, humidity or placing them in a rain chamber.