n. 【化学】梨状升华器〔回收升华作物时使用的陶制或玻璃制的梨状器皿，使用时打开上下口并按次序接上管子的插口〕。
An aludel is a subliming pot used in alchemy and medieval chemistry. The term refers to a range of earthen tubes, or pots without bottoms, fitted one over another, and diminishing as they advance towards the top.
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