athanor
/ˈæθəˌnɔr/
noun
- A type of furnace used by alchemists to provide a steady, constant heat for chemical processes.
- The museum displayed a replica of a medieval athanor used in attempts to make gold.
- In old drawings, an athanor looks like a tall clay tower with a fire at its base.
- The alchemist carefully tended the athanor, keeping the temperature just right for the experiment.