gastight

[ gas-tahyt ]

adjective

1. not penetrable by a gas.
2. not admitting a given gas under a given pressure.

gastight

/ ˈɡæsˌtaɪt /

adjective

1. not allowing gas to enter or escape

Other Words From

• gastightness noun

Word History and Origins

Origin of gastight¹

First recorded in 1825–35; gas + tight

Example Sentences

The gasbag is in two parts—a tough shell and a gastight bladder, the latter being designed to be discarded if it leaks.

From The Daily Beast