hyperbaric

adjective

relating to high pressure

Wiktionary

adj

Etymology: Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Hellenic *hupér Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyper- English baric English hyperbaric From hyper- + baric.

Of, relating to, or using greater than normal pressure (as of oxygen).