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.
Use a primer with ingredients like hyaluronic acid and ceramides to keep dry skin or flakiness at bay. — Alanna Martine Kilkeary, Glamour, 3 July 2026 If your skin needs a hydration boost, reach for the brand's Hyaluronic Moisture formula with hyaluronic acid and snow mushroom to quench its thirst. — Jackie Fields, PEOPLE, 1 July 2026 There is a trifecta of hyaluronic acid, squalane, and peptides that give a very noticeable moisturizing and plumping benefits. — Tamim Alnuweiri, InStyle, 29 June 2026 It’s designed to moisturize for up to 100 hours after application with a creamy, gel-like texture infused with hyaluronic acid and aloe bioferment. — Caley Sturgill, Southern Living, 26 June 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
See all Nearby Words

Cite this Entry

“Hyaluronic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyaluronic%20acid. Accessed 7 Jul. 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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