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Meaning of hyperbaric chamber

hy'perbar'ic cham'ber

Pronunciation: [key]
  1. a steel vessel in which atmospheric pressure can be raised or lowered by air compressors, used to treat divers or pilots afflicted with aeroembolism and to provide high-oxygen environments for certain medical treatments and operations. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.