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

Brighten your undereye area and boost hydration with ingredients like vitamin C, caffeine, and honey. — Daley Quinn, Glamour, 9 July 2026

Palm is partial to a fat-soluble form of vitamin C called THD ascorbate, because the skin's surface is itself fat-soluble, so the two pair naturally. — Angela Haupt, Time, 7 July 2026

Eggplant is a classic summer vegetable that’s pear-shaped and variable in length, and rich in nutrients like vitamin C, potassium, folate and dietary fiber, according to the Pacific Coast Farmers’ Market Association. — Kate Bradshaw, Mercury News, 7 July 2026

On top of that, one serving has more vitamin C than an orange, with 112 milligrams. — Morgan Pearson, Verywell Health, 6 July 2026

Word History

First Known Use

circa 1920, in the meaning defined above

Rhymes for vitamin C

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

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