noun
- the quality or state of being impermeable to gas; the ability to prevent gas from passing through or escaping
Usage: technical; often used in engineering and materials science contexts
Examples
- The gastightness of the container ensures that the pressurized gas does not leak.
- Engineers tested the gastightness of the seal before approving the design.
- The material's gastightness makes it ideal for storing volatile chemicals.
- Proper maintenance is essential to maintain the gastightness of the pipeline system.
- The manufacturer guarantees the gastightness of all storage vessels for at least five years.