tretinoin

play
noun tre·tin·o·in \tre-ˈti-nə-win\

Definition of tretinoin

  1. :  the all-trans isomer of retinoic acid that is applied to the skin to treat severe acne and reduce facial wrinkles, roughness, and pigmented spots

Origin and Etymology of tretinoin

perhaps from trans- + retinoic acid


Medical Dictionary

tretinoin

play
noun tre·tin·o·in \tre-ˈtin-ə-wən\

Medical Definition of tretinoin

  1. :  the all-trans isomer of retinoic acid that is applied topically to the skin to treat acne vulgaris and to reduce facial wrinkles, roughness, and pigmented spots and that is administered orally to induce remission of acute myelogenous leukemia in which more than half the cells are malignant promyelocytes—called also all-trans-retinoic acid, retinoic acid, vitamin A acid; see isotretinoin, retin-a


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to bring about or cause (something)

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!