Tretinoin

//tɹəˈtɪn.əʊ.ɪn// noun

Definitions

Noun
  1. 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. uncountable, usually

Etymology

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

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