Tretinoin meaning

trĕtĭ-noin
A form of retinoic acid, used esp. in the treatment of acne.
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An isomer of retinoic acid used topically to treat acne and to mitigate fine facial wrinkling and orally to treat one form of leukemia.
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(organic chemistry, pharmacology) Acid form of vitamin A commonly used to treat acne vulgaris and keratosis pilaris.
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Origin of tretinoin

  • t(rans–) retino(ic acid) –in

    From American Heritage Dictionary of the English Language, 5th Edition