retinol
ret·i·nol
noun \ˈre-tə-ˌnȯl, -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
See Origin of RETINOL
retin- + 1-ol; from its being the source of retinal
First Known Use: 1960
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