Share this entry
mucin Line breaks: mucin
Pronunciation: /ˈmjuːsɪn/

Definition of mucin in English:


[mass noun] Biochemistry
A glycoprotein constituent of mucus: mucin is secreted by the salivary glands
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.

Definition of mucin in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources