magistery

noun

mag·​is·​tery

plural -es

1

: a principle of nature having transmuting or curative powers : philosophers' stone

he that hath water turned to ashes, hath the Magistery, and the true Philosophers' stone

—James Howell

2

obsolete : mastership, authority

3

obsolete

a

: precipitate sense 1

b

: any of various white precipitates from metallic solutions

a white precipitate of bismuth subnitrate was formerly known as magistery of bismuth

Word History

Etymology

Medieval Latin magisterium, from Latin, office of a supervisor, office of tutor or guardian, instruction, from magister master

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