Al"u*del (&?;), n. [F. & Sp. aludel, fr. Ar. aluthāl.] (Chem.) One of the pear-shaped pots open at both ends, and so formed as to be fitted together, the neck of one into the bottom of another in succession; -- used in the process of sublimation. Ure.

• a pear-shaped pot with an opening at each end, formerly used for sublimation.