Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mucosal”


adjective     /mjuːˈkəʊ.səl/ US  /mjuːˈkoʊ.səl/ specialized
relating to the mucosa ( = the thin skin that covers the inside surface of parts of the body such as the nose and mouth and produces mucus to protect them): mucosal disease mucosal thickeningSubstances and structures in the body
(Definition of mucosal adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of mucosal

Word of the Day


a document given to students or reporters which contains information about a particular subject

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More