retinoic acid

noun

ret·​i·​no·​ic acid ˌre-tə-ˈnō-ik- How to pronounce retinoic acid (audio)
: either of two isomers of an acid C20H28O2 derived from vitamin A and used in the treatment of acne:
a

Examples of retinoic acid in a Sentence

Recent Examples on the Web To their surprise, the team found that the sea lamprey core hindbrain circuit is also initiated by retinoic acid. Laura Baisas, Popular Science, 22 Feb. 2024 Also known as retinoic acid, it was first approved by the US Food & Drug Administration in 1971 as a treatment for acne. Audrey Noble, Vogue, 18 Jan. 2024 The formula, made up of retinoic acid, Arbutin, and antioxidants, is thick, and full of nutrients that help brighten your skin tone, while targeting skin issues, from sun damage to hyperpigmentation. Nadja Sayej, Forbes, 11 Dec. 2023 Retinols must be converted to retinoic acid to have an effect, as opposed to prescription-strength retinoids that exist as retinoic acid. Sam Peters, ELLE, 16 Mar. 2023 Breaking that down, retinyl retinoate is a hybrid molecule of retinol and retinoic acid that’s been studied to be eight times more powerful than retinol yet less irritating. Morgan Sullivan, ELLE, 18 July 2023 Retinol is derived from Vitamin A, found in over-the-counter skincare products as the milder version of prescription retinoic acid or tretinoin, says dermatologist Sheila Farhang, MD. Addison Aloian, Women's Health, 4 Aug. 2023 Vitamin A can otherwise be known as retinol, retinal or retinoic acid. Delaney Nothaft, USA TODAY, 1 May 2023 Retinoid is a blanket term that covers both OTC retinol, as well as prescription-strength forms of retinoic acid, like Tretinoin and Tazarotene. Megan Deem, Harper's BAZAAR, 16 Oct. 2020 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'retinoic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of retinoic acid was in 1960

Dictionary Entries Near retinoic acid

Cite this Entry

“Retinoic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinoic%20acid. Accessed 4 Mar. 2024.

Medical Definition

retinoic acid

noun
ret·​i·​no·​ic acid ˌret-ᵊn-ˌō-ik- How to pronounce retinoic acid (audio)
: either of two isomers of an acid C20H28O2 derived from vitamin A and used especially in the treatment of acne:
a
or all-trans-retinoic acid : tretinoin
b
or 13-cis-retinoic acid : isotretinoin

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