(ˈmædʒɪstərɪ; -trɪ) n, pl-teries1. (Alchemy) an agency or substance, such as the philosopher's stone, believed to transmute other substances2. (Alchemy) any substance capable of healing[C16: from Medieval Latin magisterium, from Latin: mastery, from magister master]
magistery
magistery
(măj′ĭs-tĕr″ē) [L. magister, master] 1. Specially compounded remedy.2. A precipitate.