A0202900 (ăl′kə-hĕst′)n. The hypothetical universal solvent once sought by alchemists.[Medieval Latin alchahest, first used by Paracelsus (1493-1541), and said to have been coined by him in imitation of Arabic words .]al′ka·hes′tic adj.
alkahestic
(ˌælkəˈhɛstɪk) adjof or relating to the alkahest Thesaurus
Adj.
1.alkahestic - of or pertaining to the alkahest that alchemists assumed to exist