Definition of "hyperbaric" []

• Of, relating to, producing, operating, or occurring at pressures higher than normal atmospheric pressure: a hyperbaric chamber. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "He is going to be undergoing what they call hyperbaric oxygen therapy, and that is said by doctors to help his neurological recovery."
• "That's right, Randy McCloy, Jr. is here because this is the closest facility to where he was in West Virginia that has what's called a hyperbaric chamber."
• "He's now in a hospital in Pittsburgh for a so-called hyperbaric treatment, that's essentially an oxygen-rich chamber at very high pressure."