Definition of alkahest
: the universal solvent believed by alchemists to exist
alkahesticplay \ˌal-kə-ˈhes-tik\ adjective
Origin and Etymology of alkahest
New Latin alchahest
First Known Use: 1651
Seen and Heard
What made you want to look up alkahest? Please tell us where you read or heard it (including the quote, if possible).