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.
In addition to their intense, spicy flavor, chili peppers are an excellent source of vitamin C, packing hundreds more grams per cup than kiwifruit. Jillian Kubala, Health, 18 May 2026 Antioxidants and nutrients in asparagus, such as vitamin C and zinc, may reduce oxidative stress and improve long-term glycemic control. Angelica Bottaro, Verywell Health, 18 May 2026 Do Korean vitamin C serums oxidize as quickly? Christa Joanna Lee, Allure, 9 May 2026 That’s not the only benefit, though; raw red cabbage also has 53.9 milligrams of vitamin C per 100 grams, the USDA reports. Alessandra Signorelli, Vogue, 3 May 2026 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 20 May. 2026.

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

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