pneumomediastinum

noun

pneu·​mo·​me·​di·​as·​ti·​num ˌn(y)ü-mō-ˌmēd-ē-ə-ˈstī-nəm How to pronounce pneumomediastinum (audio)
plural pneumomediastina -nə How to pronounce pneumomediastinum (audio)
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 5 Nov. 2024.

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