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\

Medical 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
April 25, 2015
lissome Hear it
nimble or easily flexed
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