Definition of mucin in English:

Share this entry


Pronunciation: /ˈmjuːsɪn/


[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.

For editors and proofreaders

Line breaks: mucin

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.