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.
These tasty red berries are full of antioxidants, fiber, vitamin C, and a tooth whitening enzyme known as malic acid, according to Purina. Kelsey Monstrola, USA Today, 12 July 2025 These fruits are great for your health, combining fiber, vitamin C, and antioxidants. Sarah Bence, Verywell Health, 11 July 2025 Part of the lippie's success is the superstar ingredient lineup including brightening vitamin C and.nourishing shea butter that leave your lips feeling unbelievably soft. Anja Webb, Parents, 11 July 2025 People in the study who took one of six medications or supplements—cod liver oil, glucosamine, ibuprofen, multivitamins, the hormone treatment Premarin, or vitamin C—tended to have at least two organs systems that were biologically younger than their chronological age. Alice Park, Time, 9 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 19 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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