from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See vitamin A.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.
from the GNU version of the Collaborative International Dictionary of English
- n. A hydrocarbon oil C32H16, obtained by the distillation of resin, -- used as a solvent, as an antiseptic, and in printer's ink.
- n. One of the compounds which function as vitamin A. Called also vitamin A, vitamin A1 and vitamin A alcohol. See vitamin A1.
from The Century Dictionary and Cyclopedia
- n. 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
Sorry, no etymologies found.
I think most of us just finished eating them for Thanksgiving and sweet potatoes have so much vitamin A the orange color as you can see is converted to beta-carotene that's converted to retinol, which is vitamin A in your body and so that helps fight, boost your immune system and fight off colds and flu.
Vitamin A: Also known as retinol, vitamin A only occurs in animal foods, but fruit and vegetables contain carotenoids, which are converted to vitamin A by our bodies.
The immediate receptor of the photon is a derivative of vitamin A, termed retinol.
An enzyme encoded by RPE65 helps break down a derivative of vitamin A called retinol into a substance that photoreceptors need to detect light and send signals to the brain.
Vitamin A - also known as retinol - plays a vital role in strengthening our immune system, protecting us against common infections such as flu and winter vomiting.
Unlike "retinol," a compound found in many over-the-counter products, retinoic acid must be prescribed.
Non-polar molecules, such as retinol or fatty acids are poorly soluble in water.
Polyhydroxy Acids and NeoGlucosamine, with other highly effective ingredients such as retinol, peptides and potent antioxidants -- to target the multiple mechanisms of skin aging.
The promise: Youth-boosting skin-care ingredients such as retinol, peptides, and antioxidants are popping up in foundations, lipsticks, and blushes, with claims they'll help minimize wrinkles and brown spots by improving their
It's Anti-Aging Makeup The promise: Youth-boosting skin-care ingredients such as retinol, peptides, and antioxidants are popping up in foundations, lipsticks, and blushes, with claims they'll