noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The condition of having the presence of air in the mediastinum. countable, uncountable

   "Pneumomediastinum usually goes undiagnosed unless chest x-rays are used for evaluation."

Example

More examples

"Pneumomediastinum usually goes undiagnosed unless chest x-rays are used for evaluation."

Etymology

From pneumo- + mediastinum.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.