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WordReference Random House Learner's Dictionary of American English © 2024ˈair ˌlock, n. [countable]- Civil Engineeringan airtight chamber permitting passage to or from a space in which the air is kept under pressure.
WordReference Random House Unabridged Dictionary of American English © 2024air′ lock′, - Civil Engineeringan airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure.
- Mechanical Engineeringthe impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble;
vapor lock.
air-lock (âr′lok′),USA pronunciation v.t. - to place in or confine to an air lock:to air-lock divers before they descend.
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