: any of various mucoproteins that occur especially in secretions of mucous membranes
Examples of mucin in a Sentence
Recent Examples on the Web
Just that it’s formulated with 25% snail mucin, which boosts skin moisture and radiance and calms and softens the complexion.
—
Katie Decker-Jacoby, StyleCaster, 8 July 2025
For You Page, maybe sandwiched between a promo code for snail mucin and someone rendering beef tallow.
—Boutayna Chokrane, Wired News, 30 May 2025
Snail mucin has made a recent comeback in the US with popular products like COSRX’s snail essence formula, which has nearly 4,000 reviews on Ulta, a cosmetics chain.
—Sam Delgado, Vox, 17 Mar. 2025
Snail mucin is one of the trendiest skincare ingredients right now.
—Savannah Smith, Rolling Stone, 2 Oct. 2024
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.
Katie Decker-Jacoby, StyleCaster, 8 July 2025
For You Page, maybe sandwiched between a promo code for snail mucin and someone rendering beef tallow.
—Boutayna Chokrane, Wired News, 30 May 2025
Snail mucin has made a recent comeback in the US with popular products like COSRX’s snail essence formula, which has nearly 4,000 reviews on Ulta, a cosmetics chain.
—Sam Delgado, Vox, 17 Mar. 2025
Snail mucin is one of the trendiest skincare ingredients right now.
—Savannah Smith, Rolling Stone, 2 Oct. 2024
See All Example Sentences for mucin
Cite this Entry
“Mucin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucin. Accessed 21 Jul. 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