al ‧ che ‧ my /ˈælkəmi/ BrE AmE noun [uncountable]
[ Date: 1300-1400 ; Language: Old French ; Origin: alquemie , from Medieval Latin alchymia , from Arabic al-kimiya 'the alchemy' , from Late Greek chemeia ; ⇨ ↑ chemotherapy ]
1 . a science studied in the Middle Ages, that involved trying to change ordinary metals into gold
2 . literary magic
—alchemist noun [countable]