magistery

1. (also, countable, figuratively, historical, uncountable)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.

2. (countable, historical, uncountable)A fine substance deposited by precipitation, formerly applied to certain white precipitates from metallic solutions.

   magistery of bismuth (BiONO₃·H₂O)

3. (also, countable, figuratively, historical, obsolete, uncountable)The product of such a transformation.

4. (countable, historical, obsolete, uncountable)A concentrated extract of a substance.

5. (countable, obsolete)An art or a skill.

6. (countable, obsolete)Synonym of magistracy (“the dignity or office of a magistrate; the collective body of magistrates”).

7. (countable, obsolete)A medicine prepared for a specific use.

8. (obsolete, uncountable)The quality possessed by a master; authority, mastership, mastery; also, the exercise of authority.

9. (obsolete, uncountable)Synonym of magisterium (“the teaching authority or office of the Roman Catholic Church”).

regular