retinoic acid

noun
ret·​i·​no·​ic acid | \ ˌre-tə-ˈnō-ik- \

Definition of retinoic acid

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

Examples of retinoic acid in a Sentence

Recent Examples on the Web

Retinol that converts to retinoic acid is the gold standard. Fiorella Valdesolo, WSJ, "3 Skincare Experts on Their Favorite Things," 23 Aug. 2018

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.

First Known Use of retinoic acid

1960, in the meaning defined above

Keep scrolling for more

Learn More about retinoic acid

Share retinoic acid

Statistics for retinoic acid

Last Updated

21 Nov 2018

Look-up Popularity

Time Traveler for retinoic acid

The first known use of retinoic acid was in 1960

See more words from the same year

Keep scrolling for more

More Definitions for retinoic acid

retinoic acid

noun
ret·​i·​no·​ic acid | \ ˌret-ᵊn-ˌō-ik- \

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

Comments on retinoic acid

What made you want to look up retinoic acid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tremendous in size, volume, or degree

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!