vitamin C

noun

: a water-soluble vitamin C6H8O6 found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid

Examples of vitamin C in a Sentence

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.
Nectarines are rich in powerful antioxidants, including polyphenols, vitamin C, and carotenoids such as beta-carotene and cryptoxanthin.15 The highest concentration of antioxidants is in the fruit's skin. Lana Barhum, Verywell Health, 23 July 2025 These antioxidants include vitamin C and vitamin E, found in the skin. Lauren O'Connor, Health, 22 July 2025 Powered by peptides, vitamin C, and fruit extracts, depending on the flavor, this has all the makings for a reparative and replenishing formula. Kiana Murden, Vogue, 21 July 2025 The boost: Yogurt adds protein and lowers fat; celery, fennel, and apple offer fiber plus vitamin C and antioxidants. Katie Sullivan Morford, Better Homes & Gardens, 20 July 2025 See All Example Sentences for vitamin C

Word History

First Known Use

circa 1920, in the meaning defined above

Time Traveler
The first known use of vitamin C was circa 1920

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Cite this Entry

“Vitamin C.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20C. Accessed 28 Jul. 2025.

Kids Definition

vitamin C

noun
: a vitamin that is present especially in citrus fruits, tomatoes, and green vegetables and is needed by the body to prevent scurvy

called also ascorbic acid

Medical Definition

vitamin C

noun
: a water-soluble vitamin C6H8O6 found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid

More from Merriam-Webster on vitamin C

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