hermetic: Meaning and Definition of
her•met•ic
Pronunciation: (hûr-met'ik), [key]
— adj.
- made airtight by fusion or sealing.
- not affected by outward influence or power; isolated.
- (sometimes cap.) of, pertaining to, or characteristic of occult science, esp. alchemy.
- (cap.) of or pertaining to Hermes Trismegistus or the writings ascribed to him.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.