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.
Goji berries are high in vitamin C, and the immune-boosting benefits of this essential nutrient need little introduction. Caroline C. Boyle, USA Today, 4 Aug. 2025 Radishes are a root vegetable (specifically a taproot) full of peppery flavor, vitamin C, and fiber. Nancy Lebrun, Verywell Health, 4 Aug. 2025 Citrus juice offers vitamin C, which plays a role in adrenal gland function. Faye Chiu, CNN Money, 1 Aug. 2025 Think vitamin C, an antioxidant that slows melanin production. Jenna Ryu, SELF, 1 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 10 Aug. 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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