A decompression chamber for simulating a high altitude environment, particularly its low barometric pressure. ... Synonym: high altitude chamber. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. a decompression chamber for simulating a high-altitude environment, particularly its low barometric pressure. Synonyms: high altitude chamber
a chamber for simulating the conditions of air pressure and temperature for a given altitude in order to test the behavior of people and equipment in such an environment.