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.
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 The best sheet masks are more than just selfie material—they’re serious skin-care products designed to hug your face, soothe your skin, and deliver high concentrations of potent ingredients like hyaluronic acid, niacinamide, snail mucin, and retinol. Annie Blackman, Allure, 10 Apr. 2025 Packed with snail mucin, this gentle gel cream creates a barrier to lock in moisture. Claire Rutter, Rolling Stone, 2 Oct. 2024 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

Browse Nearby Words

Cite this Entry

“Mucin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucin. Accessed 9 Jul. 2025.

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

Last Updated: - Updated example sentences
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