English version

air lock

From Longman Dictionary of Contemporary English
Related topics: Space, Technology
air lockˈair lock noun [countable]  1 TTWTTSa small room used for moving between two places that do not have the same air pressure, for example in a spacecraft2 TAIRa small amount of air in a pipe that stops liquid flowing through it
Examples from the Corpus
air lockFinally, they were let through an air lock guarded by massive metal doors into the reactor structure.Gripping a hand rail, she waited for the door of the air lock to open.Through the air lock she went, down the metal steps, and out on to the Moon's dusty surface.
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