a medieval chemical science and philosophical doctrine that sought a means of turning to turn base metals into gold, curing cure all diseases, and achieving achieve immortality
thea mysterious, beautifying transformation of something common into something precious or beautiful
Full many a glorious morning have I seen … gilding pale streams with heavenly alchemy — Shakespeare
alchemic /alʹkemik/ adj
alchemical /alʹkem-/ adj
alchemist noun
[Middle English alkamie, alquemie via Old French or medieval Latin from Arabic al-kīmiyā’ the alchemy, from late Greek chēmeia]