Of or involving a gas at a pressure greater than normal.‘a hyperbaric chamber’‘hyperbaric oxygen’
- ‘‘I'll be back,’ said Paul, who is flying to the Isle of Man for an intensive week of pressure treatments in hyperbaric chambers.’
- ‘They tried oxygen under pressure in a hyperbaric chamber.’
- ‘Early recompression on pure oxygen in a hyperbaric chamber is essential and potentially lifesaving.’
- ‘Supplemental oxygen or pressurized portable hyperbaric chambers should be used if descent is delayed.’
- ‘The pressure inside the hyperbaric chamber was achieved by compressed air.’
1960s: from hyper- ‘above normal’ + Greek barus ‘heavy’.
We take a look at several popular, though confusing, punctuation marks.