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

Still, the findings hint at the possibility that eating vitamin C—not just slathering it on—could play a role in healthier-looking skin. —Julia Ries Wexler, Health, 18 Dec. 2025

Over-the-counter products containing vitamin C serums, azelaic acid, or niacinamide (vitamin B3) may help address pigmentation. —Sherri Gordon, Parents, 18 Dec. 2025

Consider taking supplements like vitamin C and zinc to help boost the immune system. —Michelle Marchante, Miami Herald, 17 Dec. 2025

Oranges are lower in calories and sugar and contain higher levels of specific nutrients, such as vitamin C and fiber. —Angelica Bottaro, Verywell Health, 15 Dec. 2025

Word History

First Known Use

circa 1920, in the meaning defined above

Rhymes for vitamin C

• abc
• absentee
• addressee
• adoptee
• agouti
• allottee
• amphorae
• amputee
• apc
• apogee
• appointee
• assessee

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