pneumomediastinum
noun
pneu·mo·me·di·as·ti·num
ˌn(y)ü-mō-ˌmēd-ē-ə-ˈstī-nəm 
plural pneumomediastina
-nə
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
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Cite this Entry
“Pneumomediastinum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pneumomediastinum. Accessed 15 Dec. 2024.
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