hyaluronic acid
noun
hy·al·uron·ic acid
ˌhī(-ə)l-yu̇-ˈrä-nik 
: 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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Plus, like a tinted moisturizer, it’s packed with skin-loving ingredients like hyaluronic acid and snow mushroom extract for a natural matte finish that doesn’t dry you out.
—
Marie Lodi, Allure, 5 July 2025
Each product uses skin-healthy ingredients like hyaluronic acid, aloe and shea butter.
—Jené Luciani Sena
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 24 June 2025
The ingredients list also boasts hydrating ingredients like hyaluronic acid, vitamin E, and pomegranate extract.
—Alanna Martine Kilkeary, Glamour, 18 June 2025
First and foremost, this lightweight, gel-like moisturizer is enriched with hyaluronic acid, aka one of the best skincare ingredients for summer weather.
—Jessie Quinn, StyleCaster, 6 June 2025
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Marie Lodi, Allure, 5 July 2025
Each product uses skin-healthy ingredients like hyaluronic acid, aloe and shea butter.
—Jené Luciani Sena
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 24 June 2025
The ingredients list also boasts hydrating ingredients like hyaluronic acid, vitamin E, and pomegranate extract.
—Alanna Martine Kilkeary, Glamour, 18 June 2025
First and foremost, this lightweight, gel-like moisturizer is enriched with hyaluronic acid, aka one of the best skincare ingredients for summer weather.
—Jessie Quinn, StyleCaster, 6 June 2025
See All Example Sentences for hyaluronic acid
Cite this Entry
“Hyaluronic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://x0upouf933.proxynodejs.usequeue.com/dictionary/hyaluronic%20acid. Accessed 13 Jul. 2025.
Copy CitationMedical Definition
hyaluronic acid
noun
hy·al·uron·ic acid
ˌhīl-yu̇-ˌrän-ik-
ˌhī-əl-yu̇-
ˌhī-əl-yu̇-
: 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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