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

Examples of vitamin D in a Sentence

Recent Examples on the Web What if going to see a doctor about your low energy meant leaving not just with the order to take vitamin D supplements, but also a recommendation to join a local run club and meet new people? Renée Onque, CNBC, 19 Sep. 2024 Salmon contains additional nutrients that support your overall health, including protein, amino acids, and various vitamins and minerals, like vitamin D, iron, calcium, and potassium. Brittany Lubeck, Ms, Rdn, Verywell Health, 19 Sep. 2024 This ensures your child is getting the nutrients needed to grow and thrive, including fiber, calcium, vitamin D, and potassium. Fruits: About half the lunchbox should consist of fruits and vegetables.3 The USDA recommends whole fruits, which contain more fiber compared to 100% juice. Toby Amidor, Ms, Rd, Parents, 4 Sep. 2024 Thousands of cans of baby formula are being recalled from CVS and H-E-B in a dozen states over potentially high vitamin D levels that could sicken young children, according to a notice posted by the U.S. Food and Drug Administration. Natalie Neysa Alund, USA TODAY, 12 Aug. 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.

Word History

First Known Use

circa 1921, in the meaning defined above

Time Traveler
The first known use of vitamin D was circa 1921

Dictionary Entries Near vitamin D

Cite this Entry

“Vitamin D.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20D. Accessed 1 Oct. 2024.

Kids Definition

vitamin D

noun
: any of several vitamins that are needed for normal bone and tooth structure, and are found especially in fish-liver oils, egg yolk, and milk or are produced in response to ultraviolet light

Medical Definition

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: as
b
: cholecalciferol

called also sunshine vitamin

More from Merriam-Webster on vitamin D

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