mucin

noun

mu·​cin ˈmyü-sᵊn 

: any of various mucoproteins that occur especially in secretions of mucous membranes

mucinous

ˈmyü-sᵊn-əs 

ˈmyüs-nəs

adjective

Examples of mucin in a Sentence

Recent Examples on the Web

Now, Korean skincare is known for 10-step routines and unusual, yet viral products, like COSRX snail mucin and salmon sperm injections. —India Espy-Jones, Essence, 23 Apr. 2025

Cosrx Advanced Snail 96 Mucin Power Essence Don’t let the snail mucin scare you — this essence has a cult following for a reason. —Maria Correa, Miami Herald, 3 Mar. 2025

Popular Amazon finds, like Cosrx’s snail mucin essence and a Neutrogena moisturizer that one Amazon shopper has recommended to all their friends, are all on sale. —Shalwah Evans, People.com, 25 Mar. 2025

The active ingredient that is extracted from the jellyfish mucin is called Glycosaminoglycans. —Tanya Benedicto Klich, Forbes, 3 Dec. 2024

Word History

Etymology

International Scientific Vocabulary muc-

First Known Use

1838, in the meaning defined above

Rhymes for mucin

• brucine
• loosen

Medical Definition

mucin

noun

mu·​cin ˈmyüs-ᵊn 

: 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