vacuum chamber

[n] - a chamber from which nearly all matter (especially air) has been removed
Found on http://www.webdictionary.co.uk/definition.php?query=vacuum%20chamber

vacuum chamber

noun a chamber from which nearly all matter (especially air) has been removed
Found on http://wordnetweb.princeton.edu/perl/webwn?s=vacuum%20chamber

Vacuum chamber

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low pressure environment within the chamber, commonly referred to as a vacuum. A vacuum environment allows researchers to conduct physical experiments or to test mechanical devices which must operate in outer space (for example) or ...
Found on http://en.wikipedia.org/wiki/Vacuum_chamber
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