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Below normal pressure.

hy′po·bar′ism n.


having less than normal pressure


(ˌhaɪ pəˈbær ɪk)

(of an anesthetic) having a specific gravity lower than that of cerebrospinal fluid.
References in periodicals archive ?
A Hyperbaric / Hypobaric Decompression Chamber that can achieve an altitude of 100,000 feet Pure Vacuum / Space or 225 feet water depth, Real Estate, Patent and related Business.
The climbers have trained in specialized rooms called hypobaric chambers, which allow trainers to manipulate air pressure and to prepare climbers' bodies for the high-altitude, low-oxygen environment of the mountain.
Recently, various living low training high (LLTH) methods such as intermittent hypoxic training (IHT), repeated sprint training in hypoxia (RSH), and resistance training in hypoxia (RTH) has become an increasingly popular altitude/hypoxic practice, where athletes live at or near sea-level but train at 2,000 to 4,500 m simulated hypobaric or normobaric hypoxic conditions (Faiss et al.
Chronic intermittent hypobaric hypoxia ameliorates ischemia/reperfusion-induced calcium overload in heart via Na/Ca2+ exchanger in developing rats.
Although rapid and profound compensation through increased minute ventilation is possible, the inevitable physiological consequence of ascent to high altitude is hypobaric hypoxia.
Thus, the "live low, train high" procedure has been developed for athletes who live in the normoxic condition, but train in the natural, hypobaric or simulated normobaric hypoxic condition (11).
N-acetyl cysteine supplementation prevents impairment of spatial working memory functions in rats following exposure to hypobaric hypoxia.
Efficacy of tadalafil in chronic hypobaric hypoxia-induced pulmonary hypertension: possible mechanisms.
Comparison of hypobaric, near isobaric and hyperbaricbupivacaine forspinal anaesthesia in patients undergoing knee arthroscopy.