Definition of tretinoin in English:

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Pronunciation: /trəˈtɪnəʊɪn/


[mass noun] Medicine
A preparation of retinoic acid, applied to the skin to treat acne and other disorders.
Example sentences
  • Topical retinoids such as tretinoin or adapalene are effective in many patients with comedonal acne.
  • These data suggest that topical tretinoin is a useful agent in the treatment of steroid-induced acne.
  • Like tretinoin, adapalene may cause skin irritation and initial exacerbation of acne lesions.


1970s: from t- of unknown origin + retinoic acid + -in1.

For editors and proofreaders

Line breaks: tre|tin¦oin

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