Dictionary

retinol

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

retinol

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

Medical Definition of RETINOL

:  vitamin a a

Browse

Next Word in the Dictionary: retinopapillitisPrevious Word in the Dictionary: retinoidAll Words Near: retinol
April 27, 2015
savvy Hear it
to understand
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears