[həːˈmɛtɪk], (Adjective)

Definitions:
- (of a seal or closure) complete and airtight
(e.g: a hermetic seal that ensures perfect waterproofing)

- relating to an ancient occult tradition encompassing alchemy, astrology, and theosophy
(e.g: some saw in the Hermetic texts an anticipation of Christianity)


Phrases:

Origin:
mid 17th century (in hermetic): from modern Latin hermeticus, from Hermes, identified with Thoth, regarded as the founder of alchemy and astrology