Word Study
hyperbaric
CIDE DICTIONARY
hyperbaric, a. [hyper- + baric.].
- of, pertaining to, or using a pressure that is greater than normal atmospheric pressure; as, a hyperbaric chamber, where divers may decompress slowly to avoid the bends. [PJC]
- of, pertaining to, or using an oxygen pressure that is greater than that at normal atmospheric pressure; as, a hyperbaric tent to provide additional oxygen to patients with breathing difficulty. [PJC]
OXFORD DICTIONARY
hyperbaric, adj. (of a gas) at a pressure greater than normal.
Etymology
HYPER- + Gk barus heavy
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