Meaning & use
hermetically
Last updated
In a way that forms an airtight seal, completely preventing the passage of air or gas.
See it in a sentence
The jar was hermetically sealed to keep the coffee fresh for months.
Researchers stored the samples in hermetically closed containers to avoid contamination.
A note on using this word
The word traces back to Hermes Trismegistus, a legendary alchemist said to have discovered a magic seal for glass vessels.
Words with a similar meaning
airtightlytightly
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