ATHANOR
athanor
(noun) a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists
Source: WordNet® 3.1
Etymology
Noun
athanor (plural athanors)
(historical) A furnace or stove designed and used to maintain uniform heat, primarily used by alchemists. [from late 15th c.]
Synonym: philosophical furnace
Hypernyms
• furnace
Notes
Source: Wiktionary
Ath"a*nor, n. Etym: [F., fr. Ar. at-tannur, fr. Heb. tannur an oven
or furnace.]
Definition: A digesting furnace, formerly used by alchemists. It was so
constructed as to maintain uniform and durable heat. Chambers.
Source: Webster’s Unabridged Dictionary 1913 Edition