Airlock

An airlock is a device which permits the passage of people and objects between a pressure vessel and its surroundings while minimizing the change of pressure in the vessel and loss of air from it. The lock consists of a small chamber with two airtight doors in series which do not open simultaneously. An airlock may be used for passage between envi...
Found on http://en.wikipedia.org/wiki/Airlock

airlock

air lock noun a chamber that provides access to space where air is under pressure
Found on https://www.encyclo.co.uk/local/20974

Airlock

[parachute] A parachute airlock (simply airlock in context) is a safety mechanism built into some parachute models which resist it losing its shape while open. It uses a ram air structure to stiffen each section of the outer edge. The design was pioneered by parachute inventor Brian Germain following a near-fatal ram-air wing collapse in 19...
Found on http://en.wikipedia.org/wiki/Airlock_(parachute)

Airlock

[video game] Airlock is an action game developed by Data Age in which you have to go out of a submarine. It received mediocre reviews from critics. ==Sources== ...
Found on http://en.wikipedia.org/wiki/Airlock_(video_game)

Airlock

A blockage in a pipe caused by a trapped air bubble.
Found on http://www.victoriaplumb.com/bathroom_DIY/a-to-z-bathroom-glossary.html

airlock

A chamber that allows astronauts to leave or enter a spacecraft without depressurizing the whole vehicle. The typical sequence of steps for going out of a spacecraft in orbit is (1) astronaut, wearing a spacesuit, enters the airlock through its inner door; (2) the airlock is depressurized by transfe...
Found on http://www.daviddarling.info/encyclopedia/A/airlock.html

airlock

A small device, designed to be affixed to the top of a fermenter. An airlock allows the CO2 produced during fermentation to escape, without allowing airborne bacteria to enter the fermenter. The most common type is called a three piece airlock, and consists of a small plastic chamber, a float which sits inside the chamber, and a dust cover. The ...
Found on http://hbd.org/uchima/glossary/glossary.html

airlock

Airtight chamber that allows people to pass between areas of different pressure; also an air bubble in a pipe that impedes fluid flow. An airlock may connect an environment at ordinary pressure and an environment that has high air pressure (such as a submerged caisson used for tunnelling or build...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0016692.html

Airlock

An airlock or fermentation lock is a single direction sanitary valve used during fermentation that allows the large quantities of carbon dioxide being produced by the yeast to escape while not permitting outside air oxygen or contaminants to enter the fermentation chamber. This both creates a sanitary seal on the fermenter and helps prevent the ox...
Found on http://www.westcoastbrewer.com/Beer_Glossary_and_Brewing_Terms.php

Airlock

Section of pipework which, due to its layout, enables a pocket of air to be trapped. This results in zero or very little flow through the pipe.
Found on http://www.mirashowers.co.uk/glossary/landing.htm

airlock

See below Gäraufsatz,
Found on https://glossary.wein-plus.eu/airlock

Airlock

Trapped air in pipe-work where, due to its layout, the air cannot escape naturally. This usually results in zero or very little flow through the pipe.
Found on http://www.encyclo.co.uk/local/20844

airlock

[n] - a chamber that provides access to space where air is under pressure
Found on http://www.webdictionary.co.uk/definition.php?query=airlock
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