mediastino-pericarditis
/miːdɪəˌstʌɪnəʊpɛrɪkɑːˈdʌɪtɪs/Medicine. Now rare or disused
noun
Inflammation affecting the mediastinum and pericardium.
Origin
Late 19th century; earliest use found in Von Ziemssen's Cyclopaedia of Practical Medicine. From German Mediastino-pericarditis from Mediastino- + Pericarditis.