D defs.my
Entry 1 sense Webster, 1913

Azoth

/ăʹzôth/ · Az·oth · IPA /ˈæzɔθ/
01 n. The first principle of metals, i. e., mercury, which was formerly supposed to exist in all metals, and to be extractable from them.
  1. 1.
    The first principle of metals, i. e., mercury, which was formerly supposed to exist in all metals, and to be extractable from them.(Alchemy)