ATHANOR Meaning of ATHANOR in English [ 'aθənɔ: ]■ noun historical a type of furnace used by alchemists.OriginC15: from Arab. at-tannūr , from al- 'the' + tannūr 'baker's oven'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004