alchemical

adj

1. (not-comparable)Of or pertaining to the medieval chemical science and philosophy of alchemy.

   “[Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes.”

2. (not-comparable)Of or pertaining to an unexplainable transmutation.
3. (not-comparable)Of or pertaining to the creation of something special out of a common material.