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

Recent Examples on the Web

As for The Eye Patches, they’re packed with hyaluronic acid that draws moisture into the skin to subtly plump fine lines. —Brittany Loggins, WWD, 8 Oct. 2024

It's also infused with sodium hyaluronate, a hydrating hyaluronic acid derivative. —Jennifer Hussein, Allure, 7 Oct. 2024

His hydrating and brightening-skewed ingredient list also includes hyaluronic acid, squalane, kakadu plum, vitamin E, and aloe vera, all of which would have been unheard of with their predecessors. —Funmi Fetto, Vogue, 6 Oct. 2024

The formula includes hyaluronic acid, vitamin E, aloe vera, jojoba oil, and MSM. —Claire Rutter, Rolling Stone, 5 Oct. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Medical Definition

hyaluronic acid

noun

hy·​al·​uron·​ic acid ˌhīl-yu̇-ˌrän-ik-  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