noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Inflammation of a mucosa (mucous membrane), or of multiple mucosae; as countable, uncountable
2. 2
   Inflammation of a mucosa (mucous membrane), or of multiple mucosae; as:; A complication of some cancer therapies in which the lining of the digestive system becomes inflamed. Often seen as sores in the mouth. countable, uncountable

Etymology

From mucosa + -itis.

Related phrases

oral mucositisdigestive system

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