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.
Key Takeaways Orange juice is nutrient-rich, providing vitamin C, potassium, folate, antioxidants, and more. Carrie Madormo, Verywell Health, 4 Sep. 2025 It’s packed with vitamin C and antioxidants that support immunity and reduce cell damage. Lauren O'Connor, Health, 1 Sep. 2025 Packed with brightening vitamin C, moisturizing vitamin E, and hyaluronic acid, Clinique’s Moisture Surge 100H Auto-Replenishing Hydrator delivers deep hydration while still feeling super lightweight and refreshing. Allure, 30 Aug. 2025 Barnes suggested getting lots of vitamin C and zinc, and dropped my pre-race rides down to full rest days. Micah Ling, Outside, 29 Aug. 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 9 Sep. 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

Last Updated: - Updated example sentences
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