hermetic

• 形容某物完全密封或不透气的；也指晦涩难懂、深奥神秘的哲学或 occult 传统。

Describes something that is completely sealed or airtight; also refers to philosophical or occult traditions that are obscure or esoteric.

1. Airtight or sealedC1formalscientific

   Completely sealed so that no air or gas can escape or enter.

   密封的

   • The samples were stored in a hermetic container to prevent contamination.
   • Hermetic seals are essential for preserving vacuum conditions.
   • The laboratory uses hermetic chambers for sensitive experiments.

   同义词airtightclosedgas-tightimpermeablesealedshut

   反义词leakyopenpermeableporousventilated

2. Obscure or esotericC2formalart

   Relating to an ancient mystical or philosophical tradition; difficult to understand.

   赫尔墨斯的（引申义）

   • The poet's work is known for its hermetic symbolism.
   • Hermetic teachings were passed down through secret societies.
   • His writing style is so hermetic that few readers can grasp its meaning.

   同义词abstrusearcanecrypticesotericmysteriousobscureoccultrecondite

   反义词accessibleclearcomprehensiblelucidperspicuousunderstandable