vitamin C

American  

noun

1. ascorbic acid.

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vitamin C British  

noun

1. another name for ascorbic acid

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vitamin C Scientific  

1. A water-soluble vitamin important for healthy skin, teeth, bones, and blood vessels. It is found especially in citrus fruits, tomatoes, potatoes, and green leafy vegetables. A deficiency of vitamin C in the diet causes scurvy. Also called ascorbic acid. Chemical formula: C ₆ H ₈ O ₆ .

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Etymology

Origin of vitamin C

First recorded in 1920–25

Example Sentences

Their vitamin C body oils smell great, and adding them to my bath makes me feel productive.

From Los Angeles Times • Apr. 3, 2026

Common ingredients include hyaluronic acid to help with hydration, peptides for skin plumping, retinals for fine lines and vitamin C for brightening the under-eye area.

From Los Angeles Times • Mar. 18, 2026

The strength of the association between skin thickness and vitamin C intake is "compelling," she explained.

From Science Daily • Dec. 26, 2025

According to Professor Vissers, the relationship between blood vitamin C and skin vitamin C stood out compared to other organs.

From Science Daily • Dec. 26, 2025

My cousin, who keeps urging me to add a hydrating serum with hyaluronic acid and vitamin C to my skincare regime.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith