vitamin

noun

vi·​ta·​min ˈvī-tə-mən How to pronounce vitamin (audio)
British usually
ˈvi- How to pronounce vitamin (audio)
: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or sometimes produced within the body

Examples of vitamin in a Sentence

This cereal contains essential vitamins and minerals. Did you remember to take your vitamin?
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
None of the sleep aids on this list have the common medications found in prescription or over-the-counter medicines (more on that below), and many on this list contain supplements like vitamins and melatonin. Molly Higgins, WIRED, 22 Nov. 2024 Fresh fruits and veggies are loaded with fiber, vitamins and minerals essential for overall health. Fred Sassani, Austin American-Statesman, 22 Nov. 2024 What also springs to mind are the health benefits of these natural foods for vitamins and minerals that may be missing from contemporary fruit varieties. Smithsonian Magazine, Smithsonian Magazine, 21 Nov. 2024 She’s also done a number of ads for vitamin and supplement brands and beauty companies, some of which she’s parlayed into free products for the entire team. Daniel Libit, Sportico.com, 20 Nov. 2024 See all Example Sentences for vitamin 

Word History

Etymology

alteration of vitamine, from Latin vita life + English amine

First Known Use

circa 1912, in the meaning defined above

Time Traveler
The first known use of vitamin was circa 1912

Dictionary Entries Near vitamin

Cite this Entry

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

Kids Definition

vitamin

noun
vi·​ta·​min ˈvīt-ə-mən How to pronounce vitamin (audio)
: any of various substances that are necessary in very small amounts to the nutrition of most animals and some plants, that are important to the control of growth and development by activating and assisting in the function of enzymes, and that are present naturally in many foods or in some cases are produced within the body

Medical Definition

vitamin

noun
: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or are sometimes produced within the body

More from Merriam-Webster on vitamin

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