
Hermetically
Literally Airtight
Use 'hermetically' to describe something sealed so well that no air can enter or escape.
The laboratory samples were stored in hermetically sealed containers.
Complete Isolation
'Hermetically' implies no outside elements can penetrate the barrier, like a perfect bubble.
The rare documents were kept in a hermetically controlled environment.
Technical Contexts
Often used in scientific or technical contexts where precise conditions are essential.
Food safety requires certain products to be hermetically packaged.
Compare with
AirtightImpermeableImperviousInsulateSealWatertight
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