Pronunciation: (hûr-met'ik),[key] —adj. 1. made airtight by fusion or sealing.
2. not affected by outward influence or power; isolated.
3. (sometimes cap.) of, pertaining to, or characteristic of occult science, esp. alchemy.
4. (cap.) of or pertaining to Hermes Trismegistus or the writings ascribed to him. Also,her•met'i•cal.