Definition of mucin in English:


Syllabification: mu·cin
Pronunciation: /ˈmyo͞osən


  • A glycoprotein constituent of mucus.
    More example sentences
    • Most of the organic material in saliva is protein, some of which is glycoprotein or mucin, which contains both carbohydrate and protein components.
    • The best example of such a gel is mammalian mucus, which is based on the glycoprotein mucin.
    • Although more than 95% of the airway secretion consists of water, the main glycoprotein contained in the airway secretion is mucin.


mid 19th century: from mucus + -in1.

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elaborate ornamentation of a vocal melody