Definition of hermetic in English:


Syllabification: her·met·ic
Pronunciation: /hərˈmedik


1(Of a seal or closure) complete and airtight: a hermetic seal that ensures perfect waterproofing
More example sentences
  • It is also likely, as period accounts proposed, that the unusually tight hermetic seal of the four coffins and outer masonry helped to preserve the remains.
  • Electroforms have been used as flexible joints, hermetic seals, electromagnetic shields, and other special functions, and have long provided designers with unusual shapes.
  • The pack's hermetic seal prevents further contamination.
airtight, tight, sealed, zip-locked, vacuum-packed;
watertight, waterproof
1.1Insulated or protected from outside influences: a hermetic society
More example sentences
  • Content plays a major role in Irving's music, elements drawn from outside the hermetic confines of the electronica genre.
  • Outside of a fairly hermetic subculture, comic books used to be dismissed as children's fare.
  • Inscrutable and hermetic on the outside, with its rugged, cork-clad walls, the Spanish pavilion conceals a luminous public plaza at its heart.
2 (also Hermetic) Of or relating to an ancient occult tradition encompassing alchemy, astrology, and theosophy.
More example sentences
  • After she resurrects him Isis performs a sexual act, impregnating herself with new life, their hawk headed son Horus, who in alchemy and Hermetic tradition appears to be identified as a Christ-anointed one.
  • The Hermetic tradition, for example, frequently mixes and matches deities from different pantheons, but it does so with a deep understanding of what it's affecting and why.
  • Also, the information was skewed rather heavily towards those those who're from a Hermetic background, or delved into the Western magical traditions.
2.1Esoteric; cryptic: obscure and hermetic poems
More example sentences
  • For the mystic, knowledge is hermetic; it is a secret revealed to only those few who have what it takes.
  • The sense of heritage, of important but often barely visible poetic traditions, becomes almost theological in the depth of assumed knowledges, and hermetic in its collectivity.
  • Fourteen years after his death, the followers of hermetic knowledge received a blow more devastating than anything the Inquisition could deliver to their cause.


mid 17th century (sense 2): from modern Latin hermeticus, from Hermes, identified with Thoth, regarded as the founder of alchemy and astrology.



Pronunciation: /hərˈmetiklē, -ik(ə)lē/
More example sentences
  • The boycott by the intellectual Left had the effect of sealing France even more hermetically in her anti-American neuroses.
  • The German authorities did everything to seal off the ghetto hermetically and not to allow in a single gram of food.
  • Religious texts and ideologies just aren't as hermetically sealed as to allow only one interpretation.


Pronunciation: /hərˈmetiˌsizəm/
More example sentences
  • Palmer's obliquity should not be misconstrued as cold blood, his hiddenness as hermeticism.
  • This might be understood as a defeatist response to the ideology of ‘difficulty’ and ‘unreadability’, air-brushed by the oxygen of privacy and the pleasing ether of hermeticism.
  • Hair, dirt, footprints and pawprints, trapped in the layer of wax, are testaments to the artist's process - counteracting the elegance and hermeticism that might otherwise dominate.

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