| athanor | (n) a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists |
| Athanor | n. [ F., fr. Ar. at-tannūr, fr. Heb. tannūr an oven or furnace. ] A digesting furnace, formerly used by alchemists. It was so constructed as to maintain uniform and durable heat. Chambers. [ 1913 Webster ] |