from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a pear-shaped pot with an opening at each end, formerly used for sublimation.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. In chem., a name given to one of a number of pearshaped glasses or earthen pots, used in sublimation, resembling somewhat the ancient alembic, and open at both ends so that they can be fitted together in a series.
- n. In modern times it has been applied almost exclusively to the thin earthen condensers used in the collection of mercury at the reduction-works at Almadén, Spain.
From Medieval Latin aludel, from Arabic الأثال al-ʾuṯāl, ‘the sublimation-vessel’. (Wiktionary)