magistery

noun9

1. •
   (historical) A pure quality with the power to cure or to turn one substance into another; also, a substance such as a philosopher's stone able to turn one substance into another.

   • Some elements were conquerors, some conquered; there existed preparations which possessed the power of changing the whole of a body of a substance of another kind: these were called magisteries. — 1837
2. •
   (historical) A fine substance deposited by precipitation, formerly applied to certain white precipitates from metallic solutions.
3. •
   (no longer used) The quality possessed by a master; authority, mastership, mastery; also, the exercise of authority.
4. •
   (no longer used) Synonym of magisterium (“the teaching authority or office of the Roman Catholic Church”).
5. •
   (no longer used) Synonym of magistracy (“the dignity or office of a magistrate; the collective body of magistrates”).
6. •
   (no longer used) An art or a skill.
7. •
   (no longer used) A medicine prepared for a specific use.
8. •
   (no longer used, historical) The product of such a transformation.
9. •
   (no longer used, historical) A concentrated extract of a substance.