tretinoin

From tr(ans)- +‎ retino(ic acid) +‎ -in.

• (Received Pronunciation) IPA^(key): /tɹəˈtɪn.əʊ.ɪn/
• (General American) IPA^(key): /tɹəˈtɪn.oʊ.ɪn/

tretinoin (usually uncountable, plural tretinoins)

1. (organic chemistry, pharmacology) 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.

• all-trans retinoic acid, ATRA, tret (clipping)

• alitretinoin
• isotretinoin
• tretinoin tocoferil

• retinoic acid
• vitamin A acid

• “tretinoin”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “tretinoin”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• tontinier