The Collaborative International Dictionary of English v.0.48:

Alchymic \Al*chym"ic\, a., Alchymist \Al"chy*mist\, n.,
Alchymistic \Al`chy*mis"tic\, a., Alchymy \Al"chy*my\, n.
   See Alchemic, Alchemist, Alchemistic, Alchemy.
   [1913 Webster]