noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Inflammation of multiple serosae (serous membranes), as a component of a disease process that is either inherently systemic or has some systemic sequelae. uncountable

Etymology

From poly- + serositis or poly- + seros(ae) + -itis.

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