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

Snail mucin has long been a popular category in Korea, prized for its ability to deeply hydrate, support skin repair, and improve overall texture and elasticity. —Conçetta Ciarlo, Vogue, 31 Dec. 2025

Salmon sperm skin care was 2025’s snail mucin and beef tallow beauty craze. —Kaleigh Werner, Footwear News, 26 Dec. 2025

Snail mucin brings the bounce, PDRN offers firming benefits, and Centella asiatica keeps your barrier cool, calm, and collected. —Christa Joanna Lee, Allure, 2 Dec. 2025

Bring hydration to your pores with these beauty finds that are all marked down for Labor Day, like a snail mucin sheet mask and a face powder that one PEOPLE staffer swears by. —Nicol Natale, People.com, 27 Aug. 2025

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