: any of various mucoproteins that occur especially in secretions of mucous membranes
Examples of mucin in a Sentence
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Both types of bacteria consume mucin, a substance that protects the gut lining.
—
Ashutosh Mangalam, The Conversation, 3 Mar. 2025
That's Cosrx's Advanced Snail 96 Mucin Power Essence, whose namesake ingredient (96% snail mucin) soothes blemishes, brightens acne scars, and evens out hyperpigmentation.
—Sarah Han, Allure, 23 Jan. 2025
All in One Cream swaps the typical water or oil base for snail mucin, which is beloved for its anti-inflammatory properties.
—Deanna Pai, Vogue, 14 Feb. 2025
Find it on Amazon Revive with COSRX Snail Mucin Mask
Transform your skin using the COSRX snail mucin mask.
—Mia Meltzer, Rolling Stone, 6 Dec. 2024
See All Example Sentences for mucin
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Ashutosh Mangalam, The Conversation, 3 Mar. 2025
That's Cosrx's Advanced Snail 96 Mucin Power Essence, whose namesake ingredient (96% snail mucin) soothes blemishes, brightens acne scars, and evens out hyperpigmentation.
—Sarah Han, Allure, 23 Jan. 2025
All in One Cream swaps the typical water or oil base for snail mucin, which is beloved for its anti-inflammatory properties.
—Deanna Pai, Vogue, 14 Feb. 2025
Find it on Amazon Revive with COSRX Snail Mucin Mask
Transform your skin using the COSRX snail mucin mask.
—Mia Meltzer, Rolling Stone, 6 Dec. 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 12 Mar. 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
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