What does alchemy mean?
The definition of alchemy
Al”che*my, n.
Etym: [OF. alkemie, arquemie, F. alchimie, Ar. al- kimia, fr. late Gr. alquimia, It. alchimia. Gr. fundere to pour, Goth. guitan, AS. geótan, to pour, and so to E. fuse. See Fuse, and cf. Chemistry.]

1 An imaginary art which aimed to transmute the baser metals into gold, to find the panacea, or universal remedy for diseases, etc. It led the way to modern chemistry.
2 A mixed metal composed mainly of brass, formerly used for various utensils; hence, a trumpet. [Obs.] Put to their mouths the sounding alchemy. Milton.
3 Miraculous power of transmuting something common into something precious. Kissing with golden face the meadows green, Gilding pale streams with heavenly alchemy. Shak.