[f. ADEPT a. + -IST.] A professed adept, a skilled alchemist.
1662. J. Chandler, Helmonts Oriatrike, 2. Hypocrates, a man of a most rare gift, and a partaker with the Adeptists.
1671. J. Webster, Metallogr., i. 16. Lockd up in the breasts of a few mystical authors or Adeptists.
1715. Kersey, Adepts or Adeptists, the obtaining sons of art, who are said to have found out the grand elixir, commonly called the philosophers stone.