alem·broth | \ə-ˈlem-ˌbrȯth, ˈa-ləm-\
plural -s

Definition of alembroth 

: a double chloride of ammonium and mercury believed by the alchemists to be a universal solvent

called also key of art, salt of wisdom

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First Known Use of alembroth

circa 1726, in the meaning defined above

History and Etymology for alembroth

Middle English alembroth, alembroke, albrot

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The first known use of alembroth was circa 1726

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