hermetic
/hɜrˈmɛtɪk/
adjective
- Completely sealed or airtight, so that no air or gas can escape or enter.
- The spacecraft's cabin is hermetic to protect astronauts in space.
- The food is stored in a hermetic container to keep it fresh.
- The laboratory uses hermetic seals to prevent contamination.
- Isolated from outside influences; self-contained or secretive.
- The organization operated in a hermetic manner, sharing no information with outsiders.
- The small community lived a hermetic existence, cut off from the modern world.
- His hermetic lifestyle meant he rarely interacted with neighbors.
- Relating to ancient mystical or alchemical writings attributed to Hermes Trismegistus.
- Hermetic traditions influenced early modern science and magic.
- The scholar studied hermetic philosophy from medieval manuscripts.
- The library had a rare collection of hermetic texts.