chymistry

Set him a fire with all his Chymistry about him, see how he'll blaze on his own Spirits.

Dr. Johnson (from Arbuthnot) defines "chymistry" as "philosophy by fire."

Boyle made the air-pump a means of advancing the science of pneumatics, and became the founder of experimental chymistry.

Egypt, in the Mosaic and Homeric ages, seems to have attained considerable skill in magic, as well as in chymistry and astrology.

He there (besides his compiling his History of the World) studyed chymistry.