vitamin D
noun
: any or all of several fat-soluble vitamins chemically related to steroids, essential for normal bone and tooth structure, and found especially in fish-liver oils, egg yolk, and milk or produced by activation (as by ultraviolet irradiation) of sterols: such as
a
or vitamin D2
: calciferol
b
or vitamin D3
: cholecalciferol
Examples of vitamin D in a Sentence
Recent Examples on the Web
On one hand, medical views about sun exposure were changing, as scientist Niels Finsen found that vitamin D deficiency was the cause for diseases like rickets and lupus.
—
Kyndall Cunningham, Vox, 22 June 2024
Another option is to consider vitamin D supplements.
—Danielle Sinay, Glamour, 21 June 2024
Australia’s new guidelines are largely based on the notion that, for some people with darker skin tones, skipping a little sun protection may be worth it for the sake of vitamin D exposure.
—Kaitlin Sullivan, Health, 12 June 2024
The article focused on how worries about widespread vitamin D deficiencies are overblown.
—Aaron Shattuck, Scientific American, 16 Apr. 2024
See all Example Sentences for vitamin D 
Kyndall Cunningham, Vox, 22 June 2024
Another option is to consider vitamin D supplements.
—Danielle Sinay, Glamour, 21 June 2024
Australia’s new guidelines are largely based on the notion that, for some people with darker skin tones, skipping a little sun protection may be worth it for the sake of vitamin D exposure.
—Kaitlin Sullivan, Health, 12 June 2024
The article focused on how worries about widespread vitamin D deficiencies are overblown.
—Aaron Shattuck, Scientific American, 16 Apr. 2024
See all Example Sentences for vitamin D
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vitamin D.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Vitamin D.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20D. Accessed 4 Jul. 2024.
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