Hermetic definition

-ĭ-kəl

Completely sealed, especially against the escape or entry of air.

adjective

Impervious to outside interference or influence.

The hermetic confines of an isolated life.

adjective

The definition of hermetic is something completely sealed or airtight.

A container that has been fused shut is an example of a hermetic container.

adjective

(mythology) Of or relating to Hermes Trismegistus or the works ascribed to him.

adjective

Having to do with the occult sciences, especially alchemy; magical.

adjective

Magical; alchemic.

adjective

Hard to understand; obscure.

adjective

Completely sealed by fusion, soldering, etc. so as to keep air or gas from getting in or out; airtight.

adjective

Protected from, cut off from, or impervious to outside influences.

adjective

(chiefly with capital initial) Pertaining to Hermes Trismegistus or the writings attributed to him.

adjective

Pertaining to alchemy or occult practices; magical, alchemical.

adjective

Hermetically sealed.

adjective

Isolated, away from outside influence.

adjective

Common misspelling of hermitic.

adjective

(in the plural) Hermetic philosophy or practice.

noun

Of or derived from Hermes Trismegistus and his lore.

adjective

Alternative Forms

Alternative Form of hermetic - hermetical

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

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