hyperbaric

American

[hahy-per-bar-ik] / ˌhaɪ pərˈbær ɪk /

adjective

Medicine/Medical.

(of an anesthetic) having a specific gravity greater than that of cerebrospinal fluid.
pertaining to or utilizing gaseous pressure greater than normal, especially for administering oxygen in the treatment of certain diseases.

hyperbaric British

/ ˌhaɪpəˈbærɪk /

adjective

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

hyperbaric

He uses elite-level gym and rehabilitation facilities, including his own home hyperbaric oxygen chamber to aid recovery and reduce fatigue.

From BBC ● May 22, 2026

He pledged to fix the FDA’s “bias” against stem cell treatments, hyperbaric chambers, and peptides, among others.

From Slate ● Mar. 30, 2026

And how long before this hyperbaric, ultrasonic sewing machine spins a bobbin?

From The Wall Street Journal ● Feb. 12, 2026

Some parents of children with autism, desperate for a remedy, have long reached for dubious and at times dangerous panaceas, including hyperbaric oxygen chambers and chelation therapy, used for the treatment of heavy metal poisoning.

From Salon ● Dec. 15, 2025

Kim’s 2019 bestselling debut, “Miracle Creek,” also dealt with physically challenged children — as well as a hyperbaric chamber, a major disaster and some of the sharpest courtroom drama since Scott Turow.

From Los Angeles Times ● Aug. 29, 2023

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