WordReference Random House Unabridged Dictionary of American English © 2025
hy•per•bar•ic
(hī′pər bar′ik),USA pronunciation adj. [Med.]
- Medicine(of an anesthetic) having a specific gravity greater than that of cerebrospinal fluid. Cf. hypobaric.
- Medicinepertaining to or utilizing gaseous pressure greater than normal, esp. for administering oxygen in the treatment of certain diseases.
- hyper- + baric2 1925–30
'hyperbaric' also found in these entries (note: many are not synonyms or translations):