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English definition of “airlock”

airlock

noun [C] (ROOM)    /ˈeə.lɒk/ US  /ˈer.lɑːk/
a room between two areas that have different air pressure , allowing you to go from one area to the other: Airlocks are commonly found on submarines and manned spacecraft .Parts of ships and boatsSpace travel
(Definition of airlock noun (ROOM) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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