hyaluronic acid

noun

hy·​al·​uron·​ic acid ˌhī(-ə)l-yu̇-ˈrä-nik How to pronounce hyaluronic acid (audio)
: a viscous glycosaminoglycan chiefly of the matrix of tissues that occurs especially in the vitreous humor, umbilical cord, synovial fluid, and loose connective tissue and serves especially as a structural element and lubricant

Examples of hyaluronic acid in a Sentence

Recent Examples on the Web
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There’s also hyaluronic acid to moisturize and plump, leaving skin plump and moisturized. Celia Shatzman, Forbes, 21 Feb. 2025 The two-step treatment first involves a serum, encased in single-dose vials in an effort to maximize the potency of its hyaluronic acid and collagen, followed by a night cream. Noor Lobad, WWD, 20 Feb. 2025 This serum utilizes three types of hyaluronic acid with different molecular weights. Danielle Cohen, Glamour, 19 Feb. 2025 Along with its moisturizing powerhouse combination of hyaluronic acid and ceramides, this body wash is enriched with antioxidants like vitamin A, vitamin B3 (niacinamide), vitamin C (known for its skin-brightening and antioxidant properties), and vitamin E (a free radical-fighting antioxidant). Lauren Dana Ellman, Allure, 15 Feb. 2025 See All Example Sentences for hyaluronic acid

Word History

Etymology

International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of hyaluronic acid was in 1934

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Cite this Entry

“Hyaluronic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyaluronic%20acid. Accessed 28 Feb. 2025.

Medical Definition

hyaluronic acid

noun
hy·​al·​uron·​ic acid ˌhīl-yu̇-ˌrän-ik- How to pronounce hyaluronic acid (audio) ˌhī-əl-yu̇- How to pronounce hyaluronic acid (audio)
: a viscous glycosaminoglycan that occurs especially in the vitreous body, the umbilical cord, and synovial fluid and as a cementing substance in the subcutaneous tissue

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