alchemist [alchemists](one who practices alchemy) noun [UK: ˈælk.ə.mɪst] [US: ˈæl.tʃə.məst]Sulfuric acid was already known to medieval alchemists as oil of vitriol. = El ácido sulfúrico ya era conocido por los alquimistas de la edad media como aceite de vitriolo.
