Hermetic Definition

Of or derived from Hermes Trismegistus and his lore.
Webster's New World
Completely sealed by fusion, soldering, etc. so as to keep air or gas from getting in or out; airtight.
Webster's New World
Hard to understand; obscure.
Webster's New World
Magical; alchemic.
Webster's New World
Protected from, cut off from, or impervious to outside influences.
Webster's New World

(in the plural) Hermetic philosophy or practice.


Origin of Hermetic

  • From Medieval Latin hermeticus, irregular derivation of Hermes (Trismegistus), the god and mythological alchemist, said to possess a magic ability to seal treasure chests so that nothing could access their contents.

    From Wiktionary

  • New Latin hermēticus alchemical from Medieval Latin Hermēs (Trismegistus) Hermes Trismegistus

    From American Heritage Dictionary of the English Language, 5th Edition

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