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
Milk Offers More Calcium and Vitamin D Calcium, vitamin D, and phosphorus are all micronutrients that support bone health.
—
Maggie O'Neill, Verywell Health, 19 Dec. 2025
Palinski-Wade also emphasized pairing beverage habits with bone-building basics, including consuming adequate amounts of calcium and vitamin D, plus doing regular strength training.
—Kelly McGreal, FOXNews.com, 18 Dec. 2025
In addition to protein, salmon also provides heart-healthy omega-3 fatty acids, and other essential nutrients like vitamin D, vitamin B12, and selenium.
—Jillian Kubala, Health, 12 Dec. 2025
Other risk factors include older age (through menopause), obesity, high blood pressure, vitamin D deficiency, consuming alcohol, eating a diet high in red meat, not having been pregnant, and beginning menstrual periods at an early age.
—Lindsey Leake, NBC news, 10 Dec. 2025
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Maggie O'Neill, Verywell Health, 19 Dec. 2025
Palinski-Wade also emphasized pairing beverage habits with bone-building basics, including consuming adequate amounts of calcium and vitamin D, plus doing regular strength training.
—Kelly McGreal, FOXNews.com, 18 Dec. 2025
In addition to protein, salmon also provides heart-healthy omega-3 fatty acids, and other essential nutrients like vitamin D, vitamin B12, and selenium.
—Jillian Kubala, Health, 12 Dec. 2025
Other risk factors include older age (through menopause), obesity, high blood pressure, vitamin D deficiency, consuming alcohol, eating a diet high in red meat, not having been pregnant, and beginning menstrual periods at an early age.
—Lindsey Leake, NBC news, 10 Dec. 2025
See All Example Sentences for vitamin D
Cite this Entry
“Vitamin D.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20D. Accessed 22 Dec. 2025.
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