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Definitions from the Web

hermetically

Definition:

Hermetically refers to something that is airtight or sealed in a way that prevents any air or moisture from entering or leaving.

Example sentences:

1. The cookies were hermetically sealed in a plastic container to keep them fresh.

2. The astronaut's spacesuit was designed to be hermetically sealed to protect them from the vacuum of outer space.

3. The scientist stored the sensitive samples in a hermetically sealed laboratory freezer.

4. The windows of the old house were hermetically sealed, trapping the stale air inside.

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