azoth

/ˈæzɒθ/
noun
  1. In alchemy, a name for the universal solvent or the first principle of metals, often associated with mercury.
    • The ancient alchemist searched for azoth, believing it could turn lead into gold.
    • In medieval texts, azoth was described as the essential spirit of all metals.
    • Some alchemists thought azoth held the key to immortality.
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