vitamin
noun
vi·ta·min
ˈvī-tə-mən 
British usually
ˈvi-
: 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
If unknowingly receiving too many vitamins garners an 18-month suspension, then why the short one and three-month bans for Swiatek and Sinner?
—
Merlisa Lawrence Corbett, Forbes.com, 15 July 2025
Instead, the biscuits in the Dubai warehouse continue to approach their expiration date, after which their vitamin and fat content will begin to deteriorate rapidly.
—Hana Kiros, The Atlantic, 15 July 2025
Pill organizers are small enough to fit in a personal item bag and keep all of your vitamins and medicine in one convenient spot.
—Rylee Johnston, Travel + Leisure, 15 July 2025
Several studies suggest that giving folinic acid, a kind of vitamin, to certain autistic children could enhance their verbal abilities.
—Dhruv Khullar, New Yorker, 15 July 2025
See All Example Sentences for vitamin
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.
Merlisa Lawrence Corbett, Forbes.com, 15 July 2025
Instead, the biscuits in the Dubai warehouse continue to approach their expiration date, after which their vitamin and fat content will begin to deteriorate rapidly.
—Hana Kiros, The Atlantic, 15 July 2025
Pill organizers are small enough to fit in a personal item bag and keep all of your vitamins and medicine in one convenient spot.
—Rylee Johnston, Travel + Leisure, 15 July 2025
Several studies suggest that giving folinic acid, a kind of vitamin, to certain autistic children could enhance their verbal abilities.
—Dhruv Khullar, New Yorker, 15 July 2025
See All Example Sentences for vitamin
Cite this Entry
“Vitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin. Accessed 21 Jul. 2025.
Copy CitationKids Definition
vitamin
noun
vi·ta·min
ˈvīt-ə-mən
: 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
vi·ta·min
ˈvīt-ə-mən, British also ˈvit-
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share