hyperbaric

adjective

hy·​per·​bar·​ic ˌhī-pər-ˈber-ik 

-ˈba-rik

: of, relating to, or utilizing greater than normal pressure especially of oxygen

a hyperbaric chamber

hyperbaric medicine

hyperbarically

ˌhī-pər-ˈber-i-k(ə-)lē 

-ˈba-ri-

adverb

Examples of hyperbaric in a Sentence

Recent Examples on the Web

Even as conventional treatments for autoimmune diseases have become more effective than ever, alternative treatments, including nutritional supplements, breathing exercises, hyperbaric oxygen chambers, and cold plunges in frigid water, have proliferated. —Jason Liebowitz, The Atlantic, 4 Nov. 2025

Players have learned they’ve been traded on social media, in online news stories or, in the case of former NFL cornerback Aqib Talib, while in a hyperbaric chamber. —Nicki Jhabvala, New York Times, 3 Nov. 2025

Then there’s Godolkin, whom Jordan and Cate reveal to Edgar could possibly still be alive, kept captive in a hyperbaric chamber by Cipher. —Abbey White, HollywoodReporter, 9 Oct. 2025

New state-of-the-art wellness tech was also added, like a hyperbaric oxygen pod and an infrared sauna. —Kathryn Romeyn, Travel + Leisure, 28 Sep. 2025

Word History

Etymology

hyper- + bar- + -ic entry 1

First Known Use

1962, in the meaning defined above

Medical Definition

hyperbaric

adjective

hy·​per·​bar·​ic ˌhī-pər-ˈbar-ik 

1

: having a specific gravity greater than that of cerebrospinal fluid

—used of solutions for spinal anesthesia compare hypobaric

2

: of, relating to, or utilizing greater than normal pressure especially of oxygen

a hyperbaric chamber

hyperbaric treatment

hyperbarically

-i-k(ə-)lē 

adverb