We're working on a new site. Click here to get a sneak preview.


noun mu·cin \ˈmyü-sən\

Definition of MUCIN

:  any of various mucoproteins that occur especially in secretions of mucous membranes
mu·cin·ous \-sən-əs, ˈmyüs-nəs\ adjective

Origin of MUCIN

International Scientific Vocabulary muc-
First Known Use: 1838
Medical Dictionary


noun mu·cin \ˈmyüs-ən\

Medical Definition of MUCIN

:  any of a group of mucoproteins that are found in various human and animal secretions and tissues (as in saliva, the lining of the stomach, and the skin) and that are white or yellowish powders when dry and viscid when moist <gastric mucin>


Next Word in the Dictionary: muck (noun)Previous Word in the Dictionary: mucilaginousAll Words Near: mucin
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears