noun ret·i·nol \ˈre-tə-ˌnl, -ˌnōl\

Definition of RETINOL

:  the chief and typical vitamin A C20H29OH that is a highly unsaturated alicyclic alcohol used in various forms in medicine and nutrition

Origin of RETINOL

retin- + 1-ol; from its being the source of retinal
First Known Use: 1960


noun ret·i·nol \ˈret-ən-ˌl, -ˌōl\   (Medical Dictionary)

Medical Definition of RETINOL

:  vitamin a a


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