retinoic acid

noun
ret·​i·​no·​ic acid | \ ˌre-tə-ˈnō-ik- How to pronounce retinoic acid (audio) \

Definition of retinoic acid

: either of two isomers of an acid C20H28O2 derived from vitamin A and used in the treatment of acne:

Examples of retinoic acid in a Sentence

Recent Examples on the Web Prescription Aklief cream, the first new retinoid product in more than 20 years, selectively targets RAR gamma, the most common retinoic acid receptor on the skin. Claire Maldarelli, Popular Science, "The 9 top health and medicine breakthroughs of 2020," 2 Dec. 2020 Then, there are retinols, or a form of retinoids commonly found in over-the-counter skin care products, and retinoic acid, found in prescription medications. Jessica Cruel, SELF, "How to Manage Retinization When Using Retinoids," 26 Dec. 2020 Prescription Aklief cream, the first new retinoid product in more than 20 years, selectively targets RAR gamma, the most common retinoic acid receptor on the skin. Claire Maldarelli, Popular Science, "The 9 top health and medicine breakthroughs of 2020," 2 Dec. 2020 Kligman pioneered numerous treatments for acne and skin issues, including his discovery that tretinoin, a retinoic acid and Vitamin A derivative, could improve acne and other skin issues related to aging, like wrinkles. Popular Science, "This popular acne medication carries a disturbing legacy," 7 Dec. 2020 Prescription Aklief cream, the first new retinoid product in more than 20 years, selectively targets RAR gamma, the most common retinoic acid receptor on the skin. Popular Science, "The 100 greatest innovations of 2020," 1 Dec. 2020 To avoid any redness and flaking — which are signs that the active form of retinol, a compound called retinoic acid, is working in the skin to make more collagen — start using a retinoid just twice a week and follow up immediately with moisturizer. Julie Ricevuto, Allure, "The Science of Beauty: The Complete Guide to Treating Wrinkles," 5 Nov. 2020 Yet retinoic acid signaling was thought to be essential for making a brain, nerve cord and other vital features. Quanta Magazine, "By Losing Genes, Life Often Evolved More Complexity," 1 Sep. 2020 In particular, none of the genes involved in the synthesis, modification or degradation of retinoic acid were present. Quanta Magazine, "By Losing Genes, Life Often Evolved More Complexity," 1 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinoic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of retinoic acid

1960, in the meaning defined above

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The first known use of retinoic acid was in 1960

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Last Updated

17 Jan 2021

Cite this Entry

“Retinoic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinoic%20acid. Accessed 28 Jan. 2021.

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More Definitions for retinoic acid

retinoic acid

noun
ret·​i·​no·​ic acid | \ ˌret-ᵊn-ˌō-ik- How to pronounce retinoic acid (audio) \

Medical Definition of retinoic acid

: 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

More from Merriam-Webster on retinoic acid

Britannica.com: Encyclopedia article about retinoic acid

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