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mucin

noun

mu·​cin ˈmyü-sᵊn How to pronounce mucin (audio)
: any of various mucoproteins that occur especially in secretions of mucous membranes
mucinous
ˈmyü-sᵊn-əs How to pronounce mucin (audio)
ˈmyüs-nəs
adjective

Examples of mucin in a Sentence

Recent Examples on the Web
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.
CosRx’s Advanced Snail 96 Mucin Power Essence is the product most credited with turning snail mucin from an eyebrow-raising ingredient into a full-on K-beauty staple. — Lauren Jarvis-Gibson, Sacbee.com, 26 Aug. 2026 Snail mucin has already made the jump; mung bean, green tangerine and adenosine-and-peptide blends are the next candidates for mainstream naming recognition. — Lauren Jarvis-Gibson, Miami Herald, 26 Aug. 2026 Snail Mucin When K-beauty broke into the US market in 2016, snail mucin was the introductory ingredient that got everyone hooked. — Audrey Noble, Vogue, 4 Aug. 2026 Using snail mucin as part of your skincare routine daily or a few times a week may improve your skin. — Laura Dorwart, Health, 22 July 2026 See All Example Sentences for mucin

Word History

Etymology

International Scientific Vocabulary muc-

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of mucin was in 1838

Rhymes for mucin

See All Rhymes for mucin

Browse Nearby Words

mucilaginous
mucin
muck
See all Nearby Words

Cite this Entry

“Mucin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucin. Accessed 19 Sep. 2026.

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Medical Definition

mucin

noun
mu·​cin ˈmyüs-ᵊn How to pronounce mucin (audio)
: 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

More from Merriam-Webster on mucin

Britannica.com: Encyclopedia article about mucin

Last Updated: - Updated example sentences
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