airlock

British  

/ ˈɛəˌlɒk /

noun

1. a bubble in a pipe causing an obstruction or stoppage to the flow

2. an airtight chamber with regulated air pressure used to gain access to a space that has air under pressure

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Example Sentences

Some areas looked pixelated on the Chromebook, and on the Air I noticed details, like the leaves of a fern or rust on an airlock door, that weren’t as clear on the others.

From The Wall Street Journal

The weekend-to-work transition became less painful, too: Mondays were like an airlock between my weekend downtime and my workweek of meetings and calls.

From The Wall Street Journal

Mr Martin has also urged residents to "stop abusing SEW technical staff on the streets repairing burst mains or airlocks in the system".

From BBC

Once the external gate of the airlock had opened, it was reported the taxi drove off down the road past reporters.

From BBC

Rosemary's job is to reach him, check his condition – and tow him back to the airlock.

From BBC