Definition of retinoic acid in English:

retinoic acid

Syllabification: ret·i·no·ic ac·id
Pronunciation: /ˌretnˌōik ˈasid
 
/

noun

  • A carboxylic acid, C19H27COOH, obtained from retinol by oxidation and used in ointments to treat acne.
    More example sentences
    • For the research, Stephensen exposed mouse immune-system cells, in petri dishes, to a form of vitamin A known as retinoic acid, along with a protein that mimics an infectious microbe.
    • For the study, 266 long-time smokers who had kicked the habit at least one year previously were randomly assigned to receive two forms of retinoic acid - commonly known as vitamin A - or a placebo.
    • Because of the known teratogenic side effects of high-dose vitamin A, there is limited application of retinoic acid for women of reproductive age.

Origin

1970s: from retina.

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Pronunciation: skōSH
noun
a small amount; a little