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[hahy-per-bar-ik] /ˌhaɪ pərˈbær ɪk/
adjective, Medicine/Medical
(of an anesthetic) having a specific gravity greater than that of cerebrospinal fluid.
Compare hypobaric.
pertaining to or utilizing gaseous pressure greater than normal, especially for administering oxygen in the treatment of certain diseases.
Origin of hyperbaric
1925-30; hyper- + baric2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hyperbaric
  • The personnel of these facilities are well aware of the infection treatment value of hyperbaric treatment.
  • Woods has said he has received oxygen treatment in a hyperbaric chamber.
  • Two weeks ago he started therapy sessions in a hyperbaric oxygen chamber.
  • Alternative treatments include hyperbaric oxygen therapy and exchange transfusions.
  • Summary of evidence report on hyperbaric oxygen therapy.
  • hyperbaric oxygen therapy has been used successfully in treating migraines.
  • hyperbaric oxygenation has been shown to be a useful adjunct to traditional treatments.
British Dictionary definitions for hyperbaric


of, concerned with, or operating at pressures higher than normal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hyperbaric

1930, from hyper- + Greek barys "heavy" (see grave (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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hyperbaric in Medicine

hyperbaric hy·per·bar·ic (hī'pər-bār'ĭk)
Of, relating to, producing, operating, or occurring at pressures higher than normal atmospheric pressure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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