the way two individuals relate to each other
"their chemistry was wrong from the beginning -- they hated each other"
"a mysterious alchemy brought them together"
a pseudoscientific forerunner of chemistry in medieval times
"The professor explained that ancient alchemy was not just about turning lead into gold, but a serious pursuit by scholars seeking to understand the fundamental nature of matter before modern chemistry existed."
The ancient search for a universal panacea, and of the philosopher's stone, that eventually developed into chemistry.
"The alchemy described in the manuscript wasn't just about turning lead to gold, but also an earnest search for a universal cure and the elusive philosopher's stone before evolving into modern chemistry."