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The phrase "airtight shell" is correct and usable in written English.
It can be used to describe a container or structure that is completely sealed and prevents the passage of air or other substances.
Example: "The laboratory required an airtight shell to ensure that no contaminants could enter the experiment."
Alternatives: "sealed enclosure" or "hermetically sealed container".
Exact(1)
The cladding is essentially a sandwich of thermally efficient materials, including double or triple glazed windows, that creates an airtight shell around the existing building to retain heat.
Similar(59)
This is not an airtight case.
But it's not an airtight case.
With its airtight chamber (thanks to a shell made of steel instead of the traditional wood), the Wright Brothers Tunnel could be pressurized, allowing researchers to experiment with scaled-down models and still get results that correlated with those of life-size tests.
They provide an airtight seal.
Put the scented cuttlefish, bruised vanilla pod and shells into the airtight container.
Rotate the display shells with the shells still stored in the airtight container.
The difficult issue of internal wall insulation and airtightness was tackled by lining the shell of the building with a continuous box, resulting in a home that is 10-20 timoremore airtight than most current building projects.
To store peanuts, leave them in their shells and place them in an airtight container in the refrigerator up to 6 months.
The case against Willingham was considered airtight.
Make Ahead: The tart shells can be made a day or two in advance and stored in an airtight container at room temperature; do not unmold them from the pans until you're ready to assemble the tarts.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com