athanor

noun

ath·​a·​nor

ˈathəˌnȯ(ə)r

plural -s

: a self-feeding digesting furnace that maintained a uniform and durable heat and was used by alchemists

Word History

Etymology

Middle English, from (assumed) Medieval Latin, from Arabic at-tannūr the oven, from Aramaic tannūr oven

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