pneumomediastinum
Medicine
noun
The presence of air or gas in the mediastinum (of the thorax); mediastinal emphysema.
Origin
1920s; earliest use found in Journal of the American Medical Association.
- undersold
- under someone's nose
- under someone's spell
- under someone's thumb
- undersow
- underspend
- understaffed
- understaffing
- understairs
- understand
- understandability
- understandable
- understandably
- understander
- understanding
- understandingly
- under starter's orders
- understate
- understated
- understatedly
- understatement
- understater
- under steam
- understeer
- understocked