THE HERMETIC MUSEUM original: "Musaeum Hermeticum." In the 17th century, a "Museum" was often used to describe a library or a collection of scholarly works dedicated to the Muses—the Greek goddesses of inspiration and knowledge.

RESTORED AND ENLARGED. original: "Reformatum et Amplificatum." This indicates that the current edition is an improved version of the earlier 1625 publication, containing more than double the amount of alchemical treatises.

Hermeticism: An ancient philosophical and spiritual tradition based on the "Hermetica"—writings attributed to the legendary figure Hermes Trismegistus. It focuses on the hidden laws of nature and the relationship between the human soul and the universe.

Alchemy: A precursor to modern chemistry that blended laboratory work with spiritual philosophy. Its practitioners sought to "ennoble" matter, most famously by attempting to turn base metals into gold or searching for a universal medicine.