hermetically

An adverb meaning "in a completely sealed or airtight manner." It is most commonly used in the phrase "hermetically sealed," referring to containers or environments that are impervious to external air or contaminants. The term originates from the name of the mythical alchemist Hermes Trismegistus, associated with the practice of sealing vessels in alchemy.

• 🇫🇷Adverbe signifiant « d'une manière totalement hermétique ou étanche à l'air ». S'emploie le plus souvent dans l'expression « scellé hermétiquement », pour désigner des conteneurs ou des environnements imperméables à l'air extérieur ou aux contaminants. Le terme dérive du nom du mythique alchimiste Hermès Trismégiste, associé à la pratique du scellement des récipients en alchimie.

1. Airtight seal C1 formal technical

   In a way that is completely sealed, especially to prevent the passage of air or other gases.

   • The container was hermetically sealed to preserve the food.
   • The laboratory samples are stored hermetically to avoid contamination.
   • The spacecraft's cabin is hermetically closed to maintain pressure.

   🇫🇷De manière hermétique

2. Isolated or closed off C2 formal

   In a manner that is completely isolated from outside influences or communication.

   • The cult lived hermetically from the rest of society.
   • His mind was hermetically closed to new ideas.
   • The country remained hermetically sealed off from the outside world for decades.

   🇫🇷de manière hermétique

   Synonymes: completelyentirelytotally

• more hermetically comparative form
• most hermetically superlative form