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

Here, experts share seven breakfast ideas that each provide more vitamin C than a medium orange. — Embry Roberts, Martha Stewart, 31 Oct. 2026

This drugstore formula features a trio of glycolic acid, vitamin C, and hyaluronic acid. — Jenny Berg, Vogue, 30 Oct. 2026

However, more research is needed to determine how effective vitamin C is at increasing iron absorption. — Carrie Madormo, Verywell Health, 29 Oct. 2026

Some also have other antiaging superstars like retinol, brightening ingredients like vitamin C, antioxidants like vitamin E, or niacinamide (a form of vitamin B3) to strengthen the skin barrier. — Christa Joanna Lee, Glamour, 23 Oct. 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