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

Sweet potatoes are rich in fiber, vitamin C and antioxidants. —Michiko Tomioka, CNBC, 4 Feb. 2026

Several fruits and vegetables provide higher amounts of vitamin C or other nutrients that help support immune function. —Lindsey Desoto, Health, 3 Feb. 2026

Infused with squalane, shea butter, vitamin C, and hyaluronic acid, the cream delivers rich hydration sans a heavy feel. —Olivia Cefalu, InStyle, 31 Jan. 2026

Grapes are a good source of potassium, vitamin C and antioxidants called polyphenols—all of which can help protect your heart and immune system. —Karla Walsh, Better Homes & Gardens, 30 Jan. 2026

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