Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: retinitis
Next word: retinoscopy
Definition of: retinol
(ret′ə·nōl, -nol) noun
A yellowish fat-soluble alcohol, C20H29OH, vitamin A, a component of visual pigments and essential to the health of epithelial tissues, occurring in liver oils, green and yellow vegetables and dairy products, and produced synthetically. [<Gk. rhētinē resin + -OL2]
Comment about this word, ask questions, or add new information about this topic: