: any of various mucoproteins that occur especially in secretions of mucous membranes
Examples of mucin in a Sentence
Recent Examples on the Web
If CosRx can convince people to willingly slather snail mucin on their faces, trusting the brand with hair care is a pretty easy next step.
—
Christa Joanna Lee, Allure, 20 May 2026
It’s even reached the freezer aisle at Costco — where shoppers have repeatedly exhausted supplies of frozen kimbap — and now features prominently at beauty store counters, where an army of Gen Z consumers slather on Korean creams and serums infused with snail mucin, rice water and bee venom.
—Dan Bilefsky, HollywoodReporter, 21 Mar. 2026
Too little mucin means a drier and more constipation-prone colon.
—Jackie Flynn Mogensen, Scientific American, 19 Feb. 2026
The texture is exceptionally satisfying—its sticky, almost snail mucin-like feel sinks instantly into skin.
—Kiana Murden, Vogue, 29 Jan. 2026
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.
Christa Joanna Lee, Allure, 20 May 2026
It’s even reached the freezer aisle at Costco — where shoppers have repeatedly exhausted supplies of frozen kimbap — and now features prominently at beauty store counters, where an army of Gen Z consumers slather on Korean creams and serums infused with snail mucin, rice water and bee venom.
—Dan Bilefsky, HollywoodReporter, 21 Mar. 2026
Too little mucin means a drier and more constipation-prone colon.
—Jackie Flynn Mogensen, Scientific American, 19 Feb. 2026
The texture is exceptionally satisfying—its sticky, almost snail mucin-like feel sinks instantly into skin.
—Kiana Murden, Vogue, 29 Jan. 2026
See All Example Sentences for mucin
Cite this Entry
“Mucin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucin. Accessed 1 Jun. 2026.
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
