hypobaric

[ hahy-puh-bar-ik ]

adjective

, Medicine/Medical.

1. (of an anesthetic) having a specific gravity lower than that of cerebrospinal fluid. Compare hyperbaric ( def 1 ).

hypobaric

/ hī′pə-băr′ĭk /

1. Relating to conditions of low air pressure and low oxygen content, such as atmospheric conditions at high altitudes, or in special chambers used to establish low-pressure conditions.

Word History and Origins

Origin of hypobaric¹

1925–30; hypo- + Greek bár ( os ) weight + -ic