Medical Dictionary

pneumomediastinum

noun pneu·mo·me·di·as·ti·num \ˌn(y)ü-mō-ˌmēd-ē-ə-ˈstī-nəm\
plural pneu·mo·me·di·as·ti·na \-nə\

Definition of PNEUMOMEDIASTINUM

1
:  an abnormal state characterized by the presence of gas (as air) in the mediastinum
2
:  the induction of pneumomediastinum as an aid to radiography
March 29, 2015
discomfit Hear it
To thwart or disconcert
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