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

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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.
Patients will notice an increase in healthy collagen, elastin and hyaluronic acid, the building blocks of the structure of the skin. — Celia Shatzman, Forbes.com, 31 July 2026 The new formula, which is infused with niacinamide, more vitamins C and B5, and more hyaluronic acid, acts as a solid primer for makeup while offering up more hydrating, nourishing qualities. — Gina Vaynshteyn, StyleCaster, 31 July 2026 The RoC Retinol Correxion Line Smoothing Max Hydration Cream has been around for decades, with a formula made of hyaluronic acid, glycerin, and of course, retinol. — Anna Traver, InStyle, 31 July 2026 The jelly texture, infused with hydrating hyaluronic acid, glides on effortlessly for a smooth, comfortable feel. — Allure Editors, Allure, 31 July 2026 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

Rhymes for hyaluronic acid

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Browse Nearby Words

hyalotekite
hyaluronic acid
hyaluronidase
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Cite this Entry

“Hyaluronic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyaluronic%20acid. Accessed 4 Aug. 2026.

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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

More from Merriam-Webster on hyaluronic acid

Britannica.com: Encyclopedia article about hyaluronic acid

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