vitamin D
any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, especially cod and halibut, or obtained by irradiating provitamin D with ultraviolet light, essential for the formation of normal bones and teeth.
Origin of vitamin D
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use vitamin D in a sentence
I take calcium and vitamin D supplements, but prescription medications are generally only for women in menopause.
The irony in it all is that our bodies need, if not crave, vitamin D—and more than a chewable tablet.
Spring is starting to arrive, and we plan to soak up as much sun as our vitamin-D-deficient bodies can handle.
New York City’s Best New Hotspots This Spring | Sara Sayed, Valeriya Safronova | April 2, 2014 | THE DAILY BEASTVitamin D3—Most of you reading this are probably vitamin D deficient if you wear clothes and work indoors.
These Are The 15 Supplements to Keep In Your Medicine Cabinet | Ari Meisel | December 28, 2013 | THE DAILY BEASTOne more thing, take it in the morning otherwise it can disrupt your sleep since vitamin D and melatonin are inversely related.
These Are The 15 Supplements to Keep In Your Medicine Cabinet | Ari Meisel | December 28, 2013 | THE DAILY BEAST
British Dictionary definitions for vitamin D
any of the fat-soluble vitamins, including calciferol and cholecalciferol, occurring in fish-liver oils (esp cod-liver oil), milk, butter, and eggs: used in the treatment of rickets and osteomalacia
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 D
Any of a group of fat-soluble sterols necessary for normal bone growth, especially vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D is found in milk, fish, and eggs and can be produced in the skin on exposure to sunlight. A deficiency of vitamin D in the diet causes rickets in children.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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