alkahestica
/æl.kɑː.hɛs.tɪk.ə/Definitions
1. noun
A hypothetical substance believed to have the power to dissolve or transform metals.
“The medieval alchemist was searching for the alkahestica to create the Philosopher’s Stone.”
2. adjective
Relating to or characterized by the properties of the alkahestica.
“The alkahestica properties of the mysterious liquid were still unknown to the scientists.”