: any of various mucoproteins that occur especially in secretions of mucous membranes
Examples of mucin in a Sentence
Recent Examples on the Web
Salmon sperm skin care was 2025’s snail mucin and beef tallow beauty craze.
—
Kaleigh Werner, Footwear News, 26 Dec. 2025
Then, the snowball of niacinamide, snail mucin, retinol, –nal and –noid, not to mention the incredible things coming out of research and development hubs in Japan and Korea.
—Morgan Fargo, Vogue, 22 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
See All Example Sentences for mucin
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kaleigh Werner, Footwear News, 26 Dec. 2025
Then, the snowball of niacinamide, snail mucin, retinol, –nal and –noid, not to mention the incredible things coming out of research and development hubs in Japan and Korea.
—Morgan Fargo, Vogue, 22 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
See All Example Sentences for mucin
Cite this Entry
“Mucin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucin. Accessed 31 Dec. 2025.
Copy CitationMedical 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share