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air lock - 4 dictionary results
air lock
–noun
| 1. | Civil Engineering. an airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure. |
| 2. | the impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble; vapor lock. |
Origin:
1855–60
1855–60
air-lock
[air-lok] 
–verb (used with object)
| to place in or confine to an air lock: to air-lock divers before they descend. |
Origin:
1855–60
1855–60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source
|
Link To air lock
| air lock n.
|
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
air lock
device that permits passage between regions of differing air pressures, most often used for passage between atmospheric pressure and chambers in which the air is compressed, such as pneumatic caissons and underwater tunnels. The air lock also has been used as a design feature of space vehicles; on March 18, 1965, the Soviet cosmonaut Aleksey Leonov passed through an air lock to become the first man to walk in space
Learn more about air lock with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Language Translation for : air lock
Spanish:
bolsa de aire,
German:
der Luftriegel,
Japanese:
管をふさぐ気泡
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