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air lock
1noun
- Civil Engineering. an airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure.
- the impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble; vapor lock.
air-lock
2[ air-lok ]
verb (used with object)
- to place in or confine to an air lock:
to air-lock divers before they descend.
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Word History and Origins
Origin of air lock1
First recorded in 1855–60
Origin of air lock2
First recorded in 1855–60
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Example Sentences
He rose lazily and opened the air lock, then turned and freed her.
From Project Gutenberg
In this suit I step out through the air lock onto the wreck.
From Project Gutenberg
But at that moment Scott cried out sharply, pointing out through the port by the air lock.
From Project Gutenberg
When the pumps in the air lock began pulling out the methane-laden atmosphere, they began to bulge slightly, but not excessively.
From Project Gutenberg
He nodded to Ruiz, who secured the air lock, then adjusted his suit control to force a little pressure into his suit.
From Project Gutenberg
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