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

Taking vitamin C along with foods rich in iron or iron supplements can enhance the absorption of iron in the body. —Ayesha Gulzar, Verywell Health, 14 Jan. 2026

Through a silicone elastomer that reduces the appearance of fine lines, wrinkles, large pores and uneven texture, plus vitamin C and niacinamide that address dullness. —Michelle Lee, PEOPLE, 13 Jan. 2026

Products with active ingredients: Skincare products such as vitamin C serums, retinoids, and AHAs and BHAs can degrade quickly if they aren't properly sealed after use. —Olivia McIntosh, Martha Stewart, 30 Dec. 2025

At this age, babies should get vitamin C only from breast milk, formula, or food.1 Signs of Vitamin C Toxicity The risk of getting too much vitamin C usually comes from supplements, such as high-dose products marketed for immune support. —Lindsey Desoto, Health, 30 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