• WordNet 3.6
    • n retinol an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
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Webster's Revised Unabridged Dictionary
    • Retinol (Chem) A hydrocarbon oil C32H16, obtained by the distillation of resin, -- used as a solvent, as an antiseptic, and in printer's ink.
    • Retinol One of the compounds which function as vitamin A. Called also vitamin A vitamin A1 and vitamin A alcohol. See vitamin A1.
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Century Dictionary and Cyclopedia
    • n retinol A liquid diterpene, C20H32, which is found in copaiba and is also formed by the distillation of rosin. It is occasionally used as a solvent in pharmacy, and as an ointment or liniment.
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Chambers's Twentieth Century Dictionary
    • n Retinol ret′i-nol a hydro-carbon oil used in printers' ink.
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Webster's Revised Unabridged Dictionary
Gr. resin + L. ole,um oil


In news:

One of the top ingredients on my skincare list is retinol .
Massive oral supplementation in severely deficient individuals will be nearly 200,000 IU vitamin A (110mg retinol palmitate or 66mg retinol acetate).
CoralActives is proud to announce distribution of its Complete Acne Therapy System, Retinol Exfoliating Cleanser, 6% BPO Acne Serum, 10% BPO Acne Cleansing Bar and Moisturizer for Acne-Prone Skin through Smith Drug Company.
Botanical Science Retinol Night Creme.
Retinol May Smooth Aging Skin.
The RoC Retinol Correxion Max Wrinkle Resurfacing System is a two-step moisturizer that's clinically proven to be four times more effective than a series of three dermatologist peels.
It combines RoC Retinol with an E-Pulse Technology to provide maximum anti-aging results.

In science:

Are retinol, vitamin C, vitamin E, folate and carotenoids intake associated with bladder cancer risk? Results from the Netherlands cohort study.
Information bounds for Cox regression models with missing data