hermetic(redirected from hermetical)
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her·met·ic(hər-mĕt′ĭk) also her·met·i·cal (-ĭ-kəl)
1. Completely sealed, especially against the escape or entry of air.
2. Impervious to outside interference or influence: the hermetic confines of an isolated life.
3. often Hermetic
a. Mythology Of or relating to Hermes Trismegistus or the works ascribed to him.
b. Having to do with the occult sciences, especially alchemy; magical.
[New Latin hermēticus, alchemical, from Medieval Latin Hermēs (Trismegistus); see Hermes Trismegistus.]
1. (General Physics) sealed so as to be airtight
2. hidden or protected from the outside world
[C17: from Medieval Latin hermēticus belonging to Hermes Trismegistus, traditionally the inventor of a magic seal]
1. (Biography) of or relating to Hermes Trismegistus or the writings and teachings ascribed to him
2. (Alchemy) of or relating to ancient science, esp alchemy
3. esoteric or recondite
1. made airtight by fusion or sealing.
2. not affected by outward influence or power.
3. (sometimes cap.) of or characteristic of occult science, esp. alchemy.
4. (cap.) of or pertaining to Hermes Trismegistus or the writings ascribed to him.
[1630–40; < Medieval Latin hermēticus of or pertaining to Hermes Trismegistus = Latin Hermē(s) Hermes + -ticus -tic]
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|Adj.||1.||hermetic - completely sealed; completely airtight|
tight - of such close construction as to be impermeable; "a tight roof"; "warm in our tight little house"