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hyperbaric

American  
[hahy-per-bar-ik] / ˌhaɪ pərˈbær ɪk /

adjective

Medicine/Medical.

  1. (of an anesthetic) having a specific gravity greater than that of cerebrospinal fluid.

  2. pertaining to or utilizing gaseous pressure greater than normal, especially for administering oxygen in the treatment of certain diseases.

hyperbaric British  
/ ˌhaɪpəˈbærɪk /

adjective

  1. 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

Etymology

Origin of hyperbaric

First recorded in 1925–30; hyper- + baric 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.