Hypobaric chamber and Hyperbaric chamber

Hyperbaric chamber and hypobaric chamber are semantically related in chamber with changeable atmospheric pressure topic. In some cases you can use "Hyperbaric chamber" instead a noun phrase "Hypobaric chamber".

Hyperbaric chamber noun - A large chamber in which the oxygen pressure is above normal for the atmosphere; used in treating breathing disorders or carbon monoxide poisoning.

Hypobaric chamber and hyperbaric chamber are semantically related in chamber with changeable atmospheric pressure topic. You can use "Hypobaric chamber" instead a noun phrase "Hyperbaric chamber".