WordReference Random House Unabridged Dictionary of American English © 2020
mu•cin (myo̅o̅′sin),USA pronunciation n. [Biochem.]
(myo̅o̅′sin),USA pronunciation adj.
- Physiology, Biochemistryany of a class of glycoproteins found in saliva, gastric juice, etc., that form viscous solutions and act as lubricants or protectants on external and internal surfaces of the body.
- 1825–35; muc- + -in2
'mucin' also found in these entries: