Oxygen therapy with pressures greater than 1 atmosphere or ambient oxygen pressure applied to the entire body in a chamber or room. ... Origin: G. Hyper, above, + baros, pressure, + oxys, acute ... (05 Mar 2000) ... 
Type: Term Pronunciation: hī′bă-rok′sē-ă Definitions: 1. Oxygen therapy with pressures greater than 1 atmosphere or ambient oxygen pressure applied to the entire body in a chamber or room.
hybaroxia Oxygen therapy with pressures greater than one atmosphere or ambient oxygen pressure applied to the entire body in a chamber or room.