vitamin A
a yellow, fat-soluble, solid terpene alcohol, C20H30O, obtained from carotene and occurring in green and yellow vegetables, egg yolk, etc.: essential to growth, the protection of epithelial tissue, and the prevention of night blindness.
Origin of vitamin A
1- Also called vitamin A1, retinol.
Words Nearby vitamin A
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vitamin A in a sentence
The researchers found that foods rich in micronutrients — particularly vitamin A, zinc, and iron — will see decreased yields, especially threatening the staple food and nutrient supply of low- and middle-income countries.
The authors highlight how mangos, an important source of vitamin A, are sensitive to shifts in rainfall and temperature.
If you try to supplement people who have vitamin A deficiency by giving them vitamin A, you could cause toxicity unless you really limit that.
Is it ok to eat GMO foods? Scientists say ‘yes.’ | Charlotte Hu | September 15, 2021 | Popular-ScienceAlso known as retinol, this ingredient is derived from vitamin A, and it’s considered a key component in any anti-aging strategy.
7 things you can do to actually prevent wrinkles | Sandra Gutierrez | July 13, 2021 | Popular-ScienceGenerally speaking, the most important vitamins and minerals for dogs include vitamin A, vitamin D, vitamin E, vitamin K, B-complex vitamins, calcium, folic acid, and phosphorus.
Best dog vitamins: Nutrients and supplements to boost your pet’s health | Irena Collaku | June 16, 2021 | Popular-Science
British Dictionary definitions for vitamin A
a fat-soluble yellow unsaturated alcohol occurring in green and yellow vegetables (esp carrots), butter, egg yolk, and fish-liver oil (esp halibut oil). It is essential for the prevention of night blindness and the protection of epithelial tissue. Formula: C 20 H 30 O: Also called: vitamin A 1, retinol
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for vitamin A
A fat-soluble vitamin important for normal vision, tissue growth, and healthy skin. It is found in fish-liver oils, milk, green leafy vegetables, and red, orange, and yellow vegetables and fruits. A deficiency of vitamin A in humans causes poor vision at night and damage to the skin and mucous membranes. Also called retinol. Chemical formula: C20H30O.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse