air lock


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air·lock

or air lock  (âr′lŏk′)
n.
1. An airtight chamber, usually located between two regions of unequal pressure, in which air pressure can be regulated.
2. A bubble or pocket of air or vapor, as in a pipe, that stops the normal flow of fluid through the conducting part.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

air′ lock`


n.
1. an airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure.
2. an impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble; vapor lock.
[1855–60]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.air lock - a chamber that provides access to space where air is under pressureair lock - a chamber that provides access to space where air is under pressure
chamber - a natural or artificial enclosed space
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
bouchon de vapeur
References in periodicals archive ?
ONE SMALL STEP Tim Peake ready to leave the space station air lock
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He made it to the hatch, and he was even able to wait for the air lock to repressurize, so he didn't pass out when they removed his helmet.
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An existing air lock helps to prevent all particles from entering the system from outside.
Everyone who had contact with him had to be decontaminated first before passing through an air lock, and cuddly toys that might harbour germs were banned.
If it's not just send them out the air lock to vacuum.
A spokeswoman for the company said a problem with the air lock prevented the doors opening.
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A choice of a rotary air lock or a variety of hopper sizes are available for dust disposal.