[ hə:'mɛtɪk ]
■ adjective
1》 (of a seal or closure) complete and airtight.
2》 insulated or protected from outside influences.
3》 (also Hermetic ) of or denoting an ancient occult tradition encompassing alchemy, astrology, and theosophy.
↘esoteric; cryptic.
Derivatives
~ally adverb
~ism noun
Origin
C17: from mod. L. ~us , from Hermes Trismegistus , the legendary founder of alchemy and astrology identified with the Greek god Hermes.