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.

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]
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
Translations
bouchon de vapeur