a. Pertaining to, or taught by, Stahl, a German physician and chemist of the 17th century; as, the Stahlian theory of phlogiston. [ 1913 Webster ]

n. A believer in, or advocate of, Stahlism. [ 1913 Webster ]

{ } n. The Stahlian theory, that every vital action is a function or operation of the soul. [ 1913 Webster ]