Magistery /(?)/

Mag·is·ter·y

Magistery

n.
  1. Mastery; powerful medical influence; renowned efficacy; a sovereign remedy. [Obs.]
  2. A magisterial injunction. [R.]
  3. A precipitate; a fine substance deposited by precipitation; -- applied in old chemistry to certain white precipitates from metallic solutions; as, magistery of bismuth. (Chem.)