The Collaborative International Dictionary
Alchemistical
Alchemistic \Al`che*mis"tic\, Alchemistical \Al`che*mis"tic*al\, a. Relating to or practicing alchemy.
Metaphysical and alchemistical legislators.
--Burke.
Wiktionary
alchemistical
a. Of or pertaining to alchemist.
WordNet
alchemistical
adj. of or relating to alchemists [syn: alchemistic]
Usage examples of "alchemistical".
A fact which may have a significance which we cannot at present see is that the emanation from radium gradually and spontaneously changes into helium, an alchemistical feat of nature that has opened many curious vistas to speculative thinkers.
As the first sort of legislators attended to the different kinds of citizens, and combined them into one commonwealth, the others the metaphysical and alchemistical legislators, have taken the direct contrary course.